| attentive |
| 1. adj. Paying attention; noticing, watching, listening, or attending closely. | |
| She is an attentive listener, but does not like to talk much. | |
| 2. adj. Courteous; mindful. | |
| a husband attentive to his wife's needs | |
| awake |
| 1. adj. (predicative only) | |
| 2. adj. Not asleep; conscious. | |
| 3. adj. (figurative, by extension) Alert, aware. | |
| They were awake to the possibility of a decline in sales. | |
| 4. v. (intransitive) To become conscious after having slept. | |
| 5. v. To cause (somebody) to stop sleeping. | |
| 6. v. to excite or to stir up something latent. | |
| 7. v. (transitive, figurative) To rouse from a state of inaction or dormancy. | |
| 8. v. (intransitive, figurative) To come out of a state of inaction or dormancy. | |
| on |
| 1. adj. In the state of being active, functioning or operating. | |
| 2. adj. Performing according to schedule. | |
| Are we still on for tonight? | |
| Is the show still on? | |
| 3. adj. (chiefly UK, informal, usually negative) Acceptable, appropriate. | |
| You can't do that; it's just not on. | |
| 4. adj. (informal) Destined, normally in the context of a challenge being accepted; involved, doomed. | |
| "Five bucks says the Cavs win tonight." ―"You're on!". | |
| Mike just threw coffee onto Paul's lap. It's on now. | |
| 5. adj. (baseball, informal) Having reached a base as a runner and being positioned there, awaiting further action from a subsequent batter. | |
| 6. adj. (euphemistic) Menstruating. | |
| 7. adv. To an operating state. | |
| turn the television on | |
| 8. adv. Along, forwards (continuing an action). | |
| drive on, rock on | |
| 9. adv. In continuation, at length. | |
| and so on. | |
| He rambled on and on. | |
| 10. adv. (not US) Later. | |
| Ten years on, nothing had changed in the village. | |
| 11. prep. Positioned at the upper surface of, touching from above. | |
| on the table; on the couch | |
| The parrot was sitting on Jim's shoulder. | |
| 12. prep. At or near; adjacent to. | |
| Soon we'll pass a statue on the left. | |
| The fleet is on the American coast. | |
| Croton-on-Hudson, Rostov-on-Don, Southend-on-Sea | |
| 13. prep. Covering. | |
| He wore old shoes on his feet. | |
| 14. prep. At the date of. | |
| Born on the 4th of July. | |
| 15. prep. Some time during the day of. | |
| I'll see you on Monday. The bus leaves on Friday. Can I see you on a different day? On Sunday I'm busy. | |
| 16. prep. Dealing with the subject of, about, or concerning something. | |
| A book on history. The World Summit on the Information Society. | |
| 17. prep. Touching; hanging from. | |
| The fruit ripened on the trees. The painting hangs on the wall. | |
| 18. prep. (informal) In the possession of. | |
| I haven't got any money on me. | |
| 19. prep. Because of, or due to. | |
| To arrest someone on suspicion of bribery. To contact someone on a hunch. | |
| 20. prep. Upon; at the time of (and often because of). | |
| On Jack's entry, William got up to leave. | |
| On the addition of ammonia, a chemical reaction begins. | |
| 21. prep. Paid for by. | |
| The drinks are on me tonight, boys. The meal is on the house. I paid for the airfare and meals for my family, but the hotel room was on the company. | |
| 22. prep. Used to indicate a means or medium. | |
| I saw it on television. Can't you see I'm on the phone? | |
| 23. prep. Indicating a means of subsistence. | |
| They lived on ten dollars a week. The dog survived three weeks on rainwater. | |
| 24. prep. Away or occupied with (e.g. a scheduled activity). | |
| He's on his lunch break. on vacation; on holiday | |
| 25. prep. Denoting performance or action by contact with the surface, upper part, or outside of anything; hence, by means of; with. | |
| to play on a violin or piano | |
| Her words made a lasting impression on my mind. | |
| 26. prep. Regularly taking (a drug). | |
| You've been on these antidepressants far too long. He's acting so strangely, I think he must be on something. | |
| 27. prep. Under the influence of (a drug). | |
| He's acting crazy because he's on crack right now. | |
| 28. prep. (mathematics) Having identical domain and codomain. | |
| a function on | |
| 29. prep. (mathematics) HavingV^n as domain and V as codomain, for some set V and integer n. | |
| an operator on | |
| 30. prep. (mathematics) Generated by. | |
| the free group on four letters | |
| 31. prep. Supported by (the specified part of itself). | |
| A table can't stand on two legs. After resting on his elbows, he stood on his toes, then walked on his heels. | |
| 32. prep. At a given time after the start of something; at. | |
| 33. prep. In addition to; besides; indicating multiplication or succession in a series. | |
| heaps on heaps of food | |
| mischief on mischief; loss on loss | |
| 34. prep. (obsolete, regional) of | |
| 35. prep. Indicating dependence or reliance; with confidence in. | |
| I depended on them for assistance. | |
| He will promise on certain conditions. | |
| Do you ever bet on horses? | |
| 36. prep. Toward; for; indicating the object of an emotion. | |
| Have pity or compassion on him. | |
| 37. prep. (obsolete) At the peril of, or for the safety of. | |
| 38. prep. In the service of; connected with; of the number of. | |
| He is on a newspaper; I am on the committee. | |
| 39. prep. By virtue of; with the pledge of. | |
| He affirmed or promised on his word, or on his honour. | |
| 40. prep. To the account or detriment of; denoting imprecation or invocation, or coming to, falling, or resting upon. | |
| On us be all the blame. | |
| A curse on him! | |
| Please don't tell on her and get her in trouble. | |
| He turned on her and has been her enemy ever since. | |
| He went all honest on me, making me listen to his confession. | |
| 41. v. (transitive, Singapore, Philippines) to switch on | |
| Can you on the light? | |
| 42. prep. (UK dialectal, Scotland) Without. | |
| 43. n. In the Japanese language, a pronunciation, or reading, of a kanji character that was originally based on the character's pronunciation in Chinese, contrasted with kun. | |
| Most kanji have two kinds of reading, called "on" and "kun". | |
| guard |
| 1. n. A person who, or thing that, protects or watches over something. | |
| The prison guard unlocked the door of the cell. After completing the repairs, he replaced the sump guard. | |
| 2. n. (Ireland) A garda; a police officer. | |
| 3. n. (military) A squad responsible for protecting something. | |
| The president inspected the guard of honour. | |
| 4. n. The part of a sword that protects the wielder's hand | |
| 5. n. A part of a machine which blocks access to dangerous parts. | |
| The motorcycle mechanic removed the damaged chain guard. | |
| 6. n. (Australia) A panel of a car that encloses the wheel area, especially the front wheels. | |
| 7. n. (basketball) A relatively short player, playing farther from the basket than a forward or center. | |
| 8. n. (cricket) The position on the popping crease where a batsman makes a mark to align himself with the wicket; see take guard. | |
| 9. n. (American football) Either of two offensive positions between the center and each of the offensive tackles, whose main responsibilities are to protect the quarterback, and open up "holes" through whic | |
| 10. n. (sports) A player playing a position named guard. | |
| 11. n. (rail) An employee, normally travelling in the last vehicle of a train, responsible for the safety of the train. | |
| 12. n. (computing, programming) A Boolean expression that must evaluate to true for a branch of program execution to continue. | |
| 13. v. To protect from danger; to secure against surprise, attack, or injury; to keep in safety; to defend. | |
| 14. v. To keep watch over, in order to prevent escape or restrain from acts of violence, or the like. | |
| Guard the prisoner. | |
| 15. v. To watch by way of caution or defense; to be caution; to be in a state or position of defense or safety. | |
| Careful people guard against mistakes. | |
| 16. v. To protect the edge of, especially with an ornamental border; hence, to face or ornament with lists, laces, etc. | |
| 17. v. To fasten by binding; to gird. | |
