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Meaning of definitive

de•fin•i•tive

Pronunciation: (di-fin'i-tiv), [key]
— adj.
  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. fully developed or formed; complete.
—n.
  1. a defining or limiting word, as an article, a demonstrative, or the like.
  2. a stamp that is a regular issue and is usually on sale for an extended period of time. Cf. commemorative (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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