| incontrovertible |
| 1. adj. Not capable of being denied, challenged, or disputed; closed to questioning. | |
| Her statement that Hitler was evil is incontrovertible. | |
| demonstrably |
| 1. adv. In such a manner as to be capable of being demonstrated, shown or proved. | |
| true |
| 1. adj. (of a statement) Conforming to the actual state of reality or fact; factually correct. | |
| This is a true story. | |
| 2. adj. Conforming to a rule or pattern; exact; accurate. | |
| a true copy; a true likeness of the original | |
| 3. adj. (logic) Of the state in Boolean logic that indicates an affirmative or positive result. | |
| "A and B" is true if and only if "A" is true and "B" is true. | |
| 4. adj. Loyal, faithful. | |
| He’s turned out to be a true friend. | |
| 5. adj. Genuine. | |
| This is true Parmesan cheese. | |
| 6. adj. Legitimate. | |
| The true king has returned! | |
| 7. adj. (of an, aim or missile in archery, shooting, golf etc.) Accurate; following a path toward the target. | |
| 8. adj. (chiefly probability) Fair, unbiased, not loaded. | |
| 9. adv. (of shooting, throwing etc) Accurately. | |
| this gun shoots true | |
| 10. n. The state of being in alignment. | |
| 11. n. (obsolete) Truth. | |
| 12. n. (obsolete) A pledge or truce. | |
| 13. v. To straighten. | |
| He trued the spokes of the bicycle wheel. | |
| 14. v. To make even, level, symmetrical, or accurate, align; adjust. | |
| We spent all night truing up the report. | |
| or |
| 1. conj. Connects at least two alternative words, phrases, clauses, sentences, etc. each of which could make a passage true. In English, this is the "inclusive or." The "exclusive or" is formed by "either(...) | |
| In Ohio, anyone under the age of 18 who wants a tattoo or body piercing needs the consent of a parent or guardian. | |
| He might get cancer, or be hit by a bus, or God knows what. | |
| 2. conj. (logic) An operator denoting the disjunction of two propositions or truth values. There are two forms, the inclusive or and the exclusive or. | |
| 3. conj. Counts the elements before and after as two possibilities. | |
| 4. conj. Otherwise (a consequence of the condition that the previous is false). | |
| It's raining! Come inside or you'll catch a cold! | |
| 5. conj. Connects two equivalent names. | |
| The country Myanmar, or Burma | |
| 6. n. (logic, electronics) alternative form of OR | |
| 7. n. (tincture) The gold or yellow tincture on a coat of arms. | |
| 8. adj. (tincture) Of gold or yellow tincture on a coat of arms. | |
| 9. adv. (obsolete) Early (on). | |
| 10. adv. (obsolete) Earlier, previously. | |
| 11. prep. (now archaic, or dialect) Before; ere. | |
| certain |
| 1. adj. Sure, positive, not doubting. | |
| I was certain of my decision. | |
| 2. adj. (obsolete) Determined; resolved. | |
| 3. adj. Not to be doubted or denied; established as a fact. | |
| 4. adj. Actually existing; sure to happen; inevitable. | |
| Bankruptcy is the certain outcome of your constant gambling and lending. | |
| 5. adj. Unfailing; infallible. | |
| 6. adj. Fixed or stated; regular; determinate. | |
| 7. adj. Not specifically named; indeterminate; indefinite; one or some; sometimes used independently as a noun, and meaning certain persons; see also "one". | |
| 8. det. Having been determined but not specified. The quality of some particular subject or object which is known by the speaker to have been specifically singled out among similar entities of its class. | |
| Certain people are good at running. | |
| 9. pron. (with of) Unnamed or undescribed members (of). | |
| There where serious objections to certain of the proposals. | |
| 10. n. (with "the") Something certain. | |
