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to
     1. part. A particle used for marking the following verb as an infinitive.
           I want to leave.
           He asked me what to do.
           I don’t know how to say it.
           I have places to go and people to see.
     2. part. As above, with the verb implied.
           "Did you visit the museum?" "I wanted to, but it was closed.".
           If he hasn't read it yet, he ought to.
     3. part. A particle used to create phrasal verbs.
           I have to do laundry today.
     4. prep. Indicating destination: In the direction of, and arriving at.
           We are walking to the shop.
     5. prep. Used to indicate purpose.
           He devoted himself to education.
           They drank to his health.
     6. prep. Used to indicate result of action.
           His face was beaten to a pulp.
     7. prep. Used after an adjective to indicate its application.
           similar to ..., relevant to ..., pertinent to ..., I was nice to him, he was cruel to her, I am used to walking.
     8. prep. (obsolete,) As a.
           With God to friend (with God as a friend);   with The Devil to fiend (with the Devil as a foe);   lambs slaughtered to lake (lambs slaughtered as a sacrifice);   t
     9. prep. (arithmetic) Used to indicate a ratio or comparison.
           one to one = 1:1
           ten to one = 10:1.
           I have ten dollars to your four.
     10. prep. (arithmetic) Used to indicate that the preceding term is to be raised to the power of the following value; indicates exponentiation.
           Three squared or three to the second power is nine.
           Three to the power of two is nine.
           Three to the second is nine.
     11. prep. Used to indicate the indirect object.
           I gave the book to him.
     12. prep. (time) Preceding.
           ten to ten = 9:50; We're going to leave at ten to (the hour).
     13. prep. Used to describe what something consists of or contains.
           Anyone could do this job; there's nothing to it.
           There's a lot of sense to what he says.
     14. prep. (Canada, UK, Newfoundland, West Midlands) At.
           Stay where you're to and I'll come find you, b'y.
     15. adv. Toward a closed, touching or engaging position.
           Please push the door to.
     16. adv. (nautical) Into the wind.
     17. adv. misspelling of too
put
     1. v. To place something somewhere.
           She put her books on the table.
     2. v. To bring or set into a certain relation, state or condition.
           Put your house in order!
           He is putting all his energy into this one task.
           She tends to put herself in dangerous situations.
     3. v. (finance) To exercise a put option.
           He got out of his Procter and Gamble bet by putting his shares at 80.
     4. v. To express something in a certain manner.
           When you put it that way, I guess I can see your point.
     5. v. (athletics) To throw a heavy iron ball, as a sport. (See shot put. Do not confuse with putt.)
     6. v. To steer; to direct one's course; to go.
     7. v. To play a card or a hand in the game called put.
     8. v. To attach or attribute; to assign.
           to put a wrong construction on an act or expression
     9. v. (obsolete) To lay down; to give up; to surrender.
     10. v. To set before one for judgment, acceptance, or rejection; to bring to the attention.
           to put a question; to put a case
     11. v. (obsolete) To incite; to entice; to urge; to constrain; to oblige.
     12. v. (mining) To convey coal in the mine, as for example from the working to the tramway.
     13. n. (business) A right to sell something at a predetermined price.
     14. n. (finance) A contract to sell a security at a set price on or before a certain date.
           He bought a January '08 put for Procter and Gamble at 80 to hedge his bet.
     15. n. The act of putting; an action; a movement; a thrust; a push.
           the put of a ball
     16. n. An old card game.
     17. n. (obsolete) An idiot; a foolish person; a duffer.
     18. n. (obsolete) A prostitute.
under
     1. prep. In or at a lower level than.
     2. prep. As a subject of; subordinate to.
           He served in World War II under General Omar Bradley.
     3. prep. Less than.
     4. prep. Below the surface of.
     5. prep. (figuratively) In the face of; in response to (some attacking force).
           to collapse under stress; to give in under interrogation
     6. prep. As, in the character of.
           he writes books under the name John Smith
     7. adv. In a way lower or less than.
     8. adv. In a way inferior to.
     9. adv. (informal) In an unconscious state.
           It took the hypnotist several minutes to make his subject go under.
     10. adj. Being lower; being beneath something.
     11. adj. (medicine, colloquial) Under anesthesia, especially general anesthesia; sedated.
           Ensure the patient is sufficiently under.
the
     1. art. Definite grammatical article that implies necessarily that an entity it articulates is presupposed; something already mentioned, or completely specified later in that same sentence, or assumed already
           I’m reading the book. (Compare I’m reading a book.)
           The street in front of your house. (Compare A street in Paris.)
           The men and women watched the man give the birdseed to the bird.
     2. art.          Used before a noun modified by a restrictive relative clause, indicating that the noun refers to a single referent defined by the relative clause.
                    The street that runs through my hometown.
     3. art. Used before an object considered to be unique, or of which there is only one at a time.
           No one knows how many galaxies there are in the universe.
           God save the Queen!
     4. art. Used before a superlative or an ordinal number modifying a noun, to indicate that the noun refers to a single item.
           That was the best apple pie ever.
     5. art.          Added to a superlative or an ordinal number to make it into a substantive.
                    That apple pie was the best.
     6. art. Introducing a singular term to be taken generically: preceding a name of something standing for a whole class.
     7. art. Used before an adjective, indicating all things (especially persons) described by that adjective.
           Feed the hungry, clothe the naked, comfort the afflicted, and afflict the comfortable.
     8. art. Used to indicate a certain example of (a noun) which is usually of most concern or most common or familiar.
           No one in the whole country had seen it before.
           I don't think I'll get to it until the morning.
     9. art. Used before a body part (especially of someone previously mentioned), as an alternative to a possessive pronoun.
           A stone hit him on the head. (= “A stone hit him on his head.”)
     10. art. When stressed, indicates that it describes an object which is considered to be best or exclusively worthy of attention.
           That is the hospital to go to for heart surgery.
     11. adv. 1=With a comparative ormore and a verb phrase, establishes a parallel with one or more other such comparatives.
           The hotter the better.
           The more I think about it, the weaker it looks.
           The more money donated, the more books purchased, and the more happy children.
           It looks weaker and weaker, the more I think about it.
     12. adv. 1=With a comparative, and often withfor it, indicates a result more like said comparative. This can be negated withnone.
           It was a difficult time, but I’m the wiser for it.
           It was a difficult time, and I’m none the wiser for it.
           I'm much the wiser for having had a difficult time like that.
control
     1. v. To exercise influence over; to suggest or dictate the behavior of.
           With a simple remote, he could control the toy truck.
     2. v. (transitive, statistics) (construed with for) To design (an experiment) so that the effects of one or more variables are reduced or eliminated.
     3. n. Influence or authority over something.
           The government has complete control over the situation.
     4. n. A separate group or subject in an experiment against which the results are compared where the primary variable is low or non-existent.
     5. n. The method and means of governing the performance of any apparatus, machine or system, such as a lever, handle or button.
     6. n. Restraint or ability to contain one's movements or emotions, or self-control.
     7. n. A security mechanism, policy, or procedure that can counter system attack, reduce risks, and resolve vulnerabilities; a safeguard or countermeasure.
     8. n. (project management) A means of monitoring for, and triggering intervention in, activities that are not going according to plan.
     9. n. A duplicate book, register, or account, kept to correct or check another account or register.
     10. n. (graphical user interface) An interface element that a computer user interacts with, such as a window or a text box.
     11. n. (climatology) Any of the physical factors determining the climate of a place, such as latitude, distribution of land and water, altitude, exposure, prevailing winds, permanent high- or low-barometric-
     12. n. (linguistics) A construction in which the understood subject of a given predicate is determined by an expression in context. See control.
of
     1. prep. Expressing distance or motion.
     2. prep.          (now obsolete, or dialectal) From (of distance, direction), "off".
     3. prep.          (obsolete except in phrases) Since, from (a given time, earlier state etc.).
     4. prep.          From, away from (a position, number, distance etc.).
                    There are no shops within twenty miles of the cottage.
     5. prep.          (North America, Scotland, Ireland) Before (the hour); to.
                    What's the time? / Nearly a quarter of three.
     6. prep. Expressing separation.
     7. prep.          (Indicating removal, absence or separation, with the action indicated by a transitive verb and the quality or substance by a grammatical object.)
                    Finally she was relieved of the burden of caring for her sick husband.
     8. prep.          (Indicating removal, absence or separation, with resulting state indicated by an adjective.)
                    He seemed devoid of human feelings.
     9. prep.          (obsolete) (Indicating removal, absence or separation, construed with an intransitive verb.)
     10. prep. Expressing origin.
     11. prep.          (Indicating an ancestral source or origin of descent.)
                    The word is believed to be of Japanese origin.
     12. prep.          (Indicating a (non-physical) source of action or emotion; introducing a cause, instigation); from, out of, as an expression of.
                    The invention was born of necessity.
     13. prep.          (following an intransitive verb) (Indicates the source or cause of the verb.)
                    It is said that she died of a broken heart.
     14. prep.          (following an adjective) (Indicates the subject or cause of the adjective.)
                    I am tired of all this nonsense.
     15. prep. Expressing agency.
     16. prep.          (following a passive verb) (Indicates the agent (for most verbs, now usually expressed with by).)
                    I am not particularly enamoured of this idea.
     17. prep.          (Used to introduce the "subjective genitive"; following a noun to form the head of a postmodifying noun phrase) (see also 'Possession' senses below).
                    The contract can be terminated at any time with the agreement of both parties.
     18. prep.          (following an adjective) (Used to indicate the agent of something described by the adjective.)
                    It was very brave of you to speak out like that.
     19. prep. Expressing composition, substance.
     20. prep.          (after a verb expressing construction, making etc.) (Used to indicate the material or substance used.)
                    Many 'corks' are now actually made of plastic.
     21. prep.          (directly following a noun) (Used to indicate the material of the just-mentioned object.)
                    She wore a dress of silk.
     22. prep.          (Indicating the composition of a given collective or quantitative noun.)
                    What a lot of nonsense!
     23. prep.          (Used to link a given class of things with a specific example of that class.)
                   Welcome to the historic town of Harwich.
     24. prep.          (Links two nouns in near-apposition, with the first qualifying the second); "which is also".
                    I'm not driving this wreck of a car.
     25. prep. Introducing subject matter.
     26. prep.          (Links an intransitive verb, or a transitive verb and its subject (especially verbs to do with thinking, feeling, expressing etc.), with its subject-ma
                    I'm always thinking of you.
     27. prep.          (following a noun (now chiefly nouns of knowledge, communication etc.)) (Introduces its subject matter); about, concerning.
                    He told us the story of his journey to India.
     28. prep.          (following an adjective) (Introduces its subject matter.)
                    This behaviour is typical of teenagers.
     29. prep. Having partitive effect.
     30. prep.          (following a number or other quantitive word) (Introduces the whole for which is indicated only the specified part or segment); "from among".
                    Most of these apples are rotten.
     31. prep.          (following a noun) (Indicates a given part.)
     32. prep.          (now archaic, literary, with preceding partitive word assumed, or as a predicate after to be) Some, an amount of, one of.
                    On the whole, they seem to be of the decent sort.
     33. prep.          (Links to a genitive noun or possessive pronoun, with partitive effect (though now often merged with possessive senses, below).)
                    He is a friend of mine.
     34. prep. Expressing possession.
     35. prep.          Belonging to, existing in, or taking place in a given location, place or time. Compare "origin" senses, above.
                    He was perhaps the most famous scientist of the twentieth century.
     36. prep.          Belonging to (a place) through having title, ownership or control over it.
                    The owner of the nightclub was arrested.
     37. prep.          Belonging to (someone or something) as something they possess or have as a characteristic; (the "possessive genitive". (With abstract nouns, this inter
                    Keep the handle of the saucepan away from the flames.
     38. prep. Forming the "objective genitive".
     39. prep.          (Follows an agent noun, verbal noun or noun of action.)
                    She had a profound distrust of the police.
     40. prep. Expressing qualities or characteristics.
     41. prep.          (now archaic, or literary) (Links an adjective with a noun or noun phrase to form a quasi-adverbial qualifier); in respect to, as regards.
                    My companion seemed affable and easy of manner.
     42. prep.          (Indicates a quality or characteristic); "characterized by".
                    Pooh was said to be a bear of very little brain.
     43. prep.          (Indicates quantity, age, price, etc.)
                    We have been paying interest at a rate of 10%.
     44. prep.          (US, informal considered incorrect by some) (Used to link singular indefinite nouns (preceded by the indefinite article) and attributive adjectives mod
                    It's not that big of a deal.
     45. prep. Expressing a point in time.
     46. prep.          (chiefly regional) During the course of (a set period of time, day of the week etc.), now specifically with implied repetition or regularity.
                    Of an evening, we would often go for a stroll along the river.
     47. prep.          (UK dialectal, chiefly in negative constructions) For (a given length of time).
                    I've not tekken her out of a goodly long while.
     48. prep.          (after a noun) (Indicates duration of a state, activity etc.)
                    After a delay of three hours, the plane finally took off.
a
     1. art. One; any indefinite example of; used to denote a singular item of a group.
           There was a man here looking for you yesterday.
     2. art. Used in conjunction with the adjectives score, dozen, hundred, thousand, and million, as a function word.
           I've seen it happen a hundred times.
     3. art. One certain or particular; any single.Brown, Lesley, (2003)
           We've received an interesting letter from a Mrs. Miggins of London.
     4. art. The same; one.
           We are of a mind on matters of morals.
     5. art. Any, every; used before a noun which has become modified to limit its scope; also used with a negative to indicate not a single one.Lindberg, Christine A. (2007)
           A man who dies intestate leaves his children troubles and difficulties.
           He fell all that way, and hasn't a bump on his head?
     6. art. Used before plural nouns modified by few, good many, couple, great many, etc.
     7. art. Someone or something like; similar to; Used before a proper noun to create an example out of it.
           The center of the village was becoming a Times Square.
     8. prep. (archaic) To do with position or direction; In, on, at, by, towards, onto.
           Stand a tiptoe.
     9. prep. To do with separation; In, into.
           Torn a pieces.
     10. prep. To do with time; Each, per, in, on, by.
           I brush my teeth twice a day.
     11. prep. (obsolete) To do with method; In, with.
     12. prep. (obsolete) To do with role or capacity; In.
           A God’s name.
     13. prep. To do with status; In.
           King James Bible (II Chronicles 2:18)
             To set the people a worke.
     14. prep. (archaic) To do with process, with a passive verb; In the course of, experiencing.
           1964, Bob Dylan, The Times They Are a-Changin’
             The times, they are a-changin'.
     15. prep. (archaic) To do with an action, an active verb; Engaged in.
           1611, King James Bible, Hebrews 11-21
             Jacob, when he was a dying
     16. prep. (archaic) To do with an action/movement; To, into.
     17. v. (archaic, or slang) Have.
           I'd a come, if you'd a asked.
     18. pron. (obsolete, outside, England, and Scotland dialects) He.
     19. interj. A meaningless syllable; ah.
     20. prep. (archaic, slang) Of.
           The name of John a Gaunt.
     21. adv. (chiefly Scotland) All.
     22. adj. (chiefly Scotland) All.
group
     1. n. A number of things or persons being in some relation to one another.
           there is a group of houses behind the hill;  he left town to join a Communist group
           A group of people gathered in front of the Parliament to demonstrate against the Prime Minister's proposals.
     2. n. (group theory) A set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse.
     3. n. (geometry, archaic) An effective divisor on a curve.
     4. n. A (usually small) group of people who perform music together.
           Did you see the new jazz group?
     5. n. (astronomy) A small number (up to about fifty) of galaxies that are near each other.
     6. n. (chemistry) A column in the periodic table of chemical elements.
     7. n. (chemistry) A functional group.
           Nitro is an electron-withdrawing group.
     8. n. (sociology) A subset of a culture or of a society.
     9. n. (military) An air force formation.
     10. n. (geology) A collection of formations or rock strata.
     11. n. (computing) A number of users with same rights with respect to accession, modification, and execution of files, computers and peripherals.
     12. n. An element of an espresso machine from which hot water pours into the portafilter.
     13. n. (music) A number of eighth, sixteenth, etc., notes joined at the stems; sometimes rather indefinitely applied to any ornament made up of a few short notes.
     14. n. (sports) A set of teams playing each other in the same division, while not during the same period playing any teams that belong to other sets in the division.
     15. n. (business) A commercial organization.
     16. v. To put together to form a group.
           group the dogs by hair colour
     17. v. (intransitive) To come together to form a group.
acting
     1. adj. Temporarily assuming the duties or authority of another person when they are unable to do their job.
           The Acting Minister must sign Executive Council documents in a Minister's absence.
           Acting President of the United States is a temporary office in the government of the United States.
     2. v. present participle of act
     3. n. An intended action or deed.
     4. n. Pretending.
     5. n. (drama) The occupation of an actor.
     6. n. (legal) The deeds or actions of parties are called actings to avoid confusion with the legal senses of deeds and actions.
     act
          1. n. Something done, a deed.
                an act of goodwill
          2. n. (obsolete) Actuality.
          3. n. A product of a legislative body, a statute.
          4. n. The process of doing something.
                He was caught in the act of stealing.
          5. n. A formal or official record of something done.
          6. n. A division of a theatrical performance.
                The pivotal moment in the play was in the first scene of the second act.
          7. n. A performer or performers in a show.
                Which act did you prefer? The soloist or the band?
          8. n. Any organized activity.
          9. n. A display of behaviour.
          10. n. A thesis maintained in public, in some English universities, by a candidate for a degree, or to show the proficiency of a student.
          11. n. A display of behaviour meant to deceive.
                to put on an act
          12. v. (intransitive) To do something.
                If you don't act soon, you will be in trouble.
          13. v. (obsolete, transitive) To do (something); to perform.
          14. v. (intransitive) To perform a theatrical role.
                I started acting at the age of eleven in my local theatre.
          15. v. Of a play: to be acted out (well or badly).
          16. v. (intransitive) To behave in a certain way.
                He's acting strangely - I think there's something wrong with him.
          17. v. (copulative) To convey an appearance of being.
                He acted unconcerned so the others wouldn't worry.
          18. v. To do something that causes a change binding on the doer.
                act on behalf of John
          19. v. (intransitive, construed with on or upon) To have an effect (on).
                High-pressure oxygen acts on the central nervous system and may cause convulsions or death.
                Gravitational force acts on heavy bodies.
          20. v. To play (a role).
                He's been acting Shakespearean leads since he was twelve.
          21. v. To feign.
                He acted the angry parent, but was secretly amused.
          22. v. (mathematics, intransitive, construed with on or upon, of a group) To map via a homomorphism to a group of automorphisms (of).
                This group acts on the circle, so it can't be left-orderable!
          23. v. (obsolete, transitive) To move to action; to actuate; to animate.
As
     1. n. plural of A
           She went from getting Cs and Ds to earning straight As.
     2. adv. To such an extent or degree.
           You’re not as tall as I am.
           It's not as well made, but it's twice as expensive.
     3. adv. In the manner or role specified.
           The kidnappers released him as agreed.
           The parties were seen as agreeing on a range of issues.
           He was never seen as the boss, but rather as a friend.
     4. adv. (dated) For example (compare such as).
     5. conj. In the same way that; according to what.
           Do as I say!
           I'm under a lot of pressure, as you know.
           As you wish, my lord!
     6. conj. At the same instant that; when.
           As I came in, she flew.
     7. conj. At the same time that; while.
           He sleeps as the rain falls.
     8. conj. Varying through time in the same proportion that.
           As my fear grew, so did my legs become heavy.
     9. conj. Being that, considering that, because, since.
           As it’s too late, I quit.
     10. conj. Introducing a basis of comparison, after as, so, or a comparison of equality.
           She's twice as strong as I was two years ago.
           It's not so complicated as I expected.
     11. conj. (dated) Introducing a comparison with a hypothetical state (+ subjunctive); ‘as though’, ‘as if’.
     12. conj. Introducing a comparison with a hypothetical state with the verb elided; as if, as though.
     13. conj. (now England, US, regional) Functioning as a relative conjunction; that.
     14. conj. Expressing concession; though.
     15. conj. (obsolete, rare) Than.
     16. prep. Introducing a basis of comparison, with an object in the objective case.
           You are not as tall as me.
           They're big as houses.
     17. prep. In the role of.
           What is your opinion as a parent?
     18. n. (unit of weight) A libra.
     19. n. Any of several coins of Rome, coined in bronze or later copper; or the equivalent value.
     20. n. plural of a
a
     1. art. One; any indefinite example of; used to denote a singular item of a group.
           There was a man here looking for you yesterday.
     2. art. Used in conjunction with the adjectives score, dozen, hundred, thousand, and million, as a function word.
           I've seen it happen a hundred times.
     3. art. One certain or particular; any single.Brown, Lesley, (2003)
           We've received an interesting letter from a Mrs. Miggins of London.
     4. art. The same; one.
           We are of a mind on matters of morals.
     5. art. Any, every; used before a noun which has become modified to limit its scope; also used with a negative to indicate not a single one.Lindberg, Christine A. (2007)
           A man who dies intestate leaves his children troubles and difficulties.
           He fell all that way, and hasn't a bump on his head?
     6. art. Used before plural nouns modified by few, good many, couple, great many, etc.
     7. art. Someone or something like; similar to; Used before a proper noun to create an example out of it.
           The center of the village was becoming a Times Square.
     8. prep. (archaic) To do with position or direction; In, on, at, by, towards, onto.
           Stand a tiptoe.
     9. prep. To do with separation; In, into.
           Torn a pieces.
     10. prep. To do with time; Each, per, in, on, by.
           I brush my teeth twice a day.
     11. prep. (obsolete) To do with method; In, with.
     12. prep. (obsolete) To do with role or capacity; In.
           A God’s name.
     13. prep. To do with status; In.
           King James Bible (II Chronicles 2:18)
             To set the people a worke.
     14. prep. (archaic) To do with process, with a passive verb; In the course of, experiencing.
           1964, Bob Dylan, The Times They Are a-Changin’
             The times, they are a-changin'.
     15. prep. (archaic) To do with an action, an active verb; Engaged in.
           1611, King James Bible, Hebrews 11-21
             Jacob, when he was a dying
     16. prep. (archaic) To do with an action/movement; To, into.
     17. v. (archaic, or slang) Have.
           I'd a come, if you'd a asked.
     18. pron. (obsolete, outside, England, and Scotland dialects) He.
     19. interj. A meaningless syllable; ah.
     20. prep. (archaic, slang) Of.
           The name of John a Gaunt.
     21. adv. (chiefly Scotland) All.
     22. adj. (chiefly Scotland) All.
unit
     1. n. (mathematics) Oneness, singularity, seen as a component of a whole number; a magnitude of one.
     2. n. (sciences) A standard measure of a quantity.
           The centimetre is a unit of length.
     3. n. The number one.
     4. n. clipping of international unit
           This pill provides 500 units of Vitamin E.
     5. n. An organized group comprising people and/or equipment.
           He was a member of a special police unit.
     6. n. (military, informal) A member of a military organization.
           The fifth tank brigade moved in with 20 units. (i.e., 20 tanks)
     7. n. (US, military) Any military element whose structure is prescribed by competent authority, such as a table of organization and equipment; specifically, part of an organizationJoint Publication 1-02 U.S
     8. n. (US, military) An organization title of a subdivision of a group in a task force.
     9. n. (US, military) A standard or basic quantity into which an item of supply is divided, issued or detailed. In this meaning, also called unit of issue.
     10. n. (US, military) With regard to Reserve Components of the Armed Forces, denotes a Selected Reserve unit organized, equipped, and trained for mobilization to serve on active duty as a unit or to augment
     11. n. (algebra) The identity element, neutral element.
     12. n. (algebra) An element having an inverse, an invertible element; an associate of the unity.
     13. n. (category theory) In an adjunction, a natural transformation from the identity functor of the domain of the left adjoint functor to the composition of the right adjoint functor with the left adjoint f
     14. n. (geology) A volume of rock or ice of identifiable origin and age range that is defined by the distinctive and dominant, easily mapped and recognizable petrographic, lithologic or paleontologic feature
     15. n. (commerce) An item which may be sold singly.
           We shipped nearly twice as many units this month as last month.
     16. n. (UK) A unit of alcohol.
     17. n. (electricity) One kilowatt-hour (as recorded on an electricity meter).
     18. n. (Australia, New Zealand) a measure of housing equivalent to the living quarters of one household, an apartment where a group of apartments is contained in one or more multi-storied buildings or a grou
     19. n. (historical) A gold coin of the reign of James I, worth twenty shillings.
     20. n. A work unit.
     21. n. (slang) A physically large person.
     22. adj. For each unit.
           We have to keep our unit costs down if we want to make a profit.
     23. adj. (mathematics) Having a size or magnitude of one.
Dictionary entries from Wiktionary