| 1. | most reliable or complete, as of a text, author, criticism, study, or the like: the definitive biography of Andrew Jackson. |
| 2. | serving to define, fix, or specify definitely: to clarify with a definitive statement. |
| 3. | having its fixed and final form; providing a solution or final answer; satisfying all criteria: the definitive treatment for an infection; a definitive answer to a dilemma. |
| 4. | Biology. fully developed or formed; complete. |
| 5. | a defining or limiting word, as an article, a demonstrative, or the like. |
| 6. | Philately. a stamp that is a regular issue and is usually on sale for an extended period of time. Compare commemorative (def. 2). |
de·fin·i·tive (dĭ-fĭn'ĭ-tĭv) adj.
A word that defines or limits, such as the definite article or a demonstrative pronoun. de·fin'i·tive·ly adv., de·fin'i·tive·ness n. |