View synonyms for definitive


[ dih-fin-i-tiv ]


  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.

    Synonyms: supreme, ultimate, absolute, complete

  4. Biology. providing the environment in which a fully developed parasite is able to reproduce, as is provided by a definitive host.


  1. a defining or limiting word, as an article, a demonstrative, or the like.
  2. Philately. a stamp that is a regular issue and is usually on sale for an extended period of time. Compare commemorative ( def 2 ).


/ dɪˈfɪnɪtɪv /


  1. serving to decide or settle finally; conclusive
  2. most reliable, complete, or authoritative

    the definitive reading of a text

  3. serving to define or outline
  4. zoology fully developed; complete

    the definitive form of a parasite

    1. (of postage stamps) permanently on sale
    2. as noun a definitive postage stamp


  1. grammar a word indicating specificity of reference, such as the definite article or a demonstrative adjective or pronoun

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Derived Forms

  • deˈfinitiveness, noun
  • deˈfinitively, adverb

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Other Words From

  • de·fin·i·tive·ly adverb
  • de·fin·i·tive·ness noun
  • non·de·fin·i·tive adjective
  • non·de·fin·i·tive·ness noun
  • un·de·fin·i·tive adjective
  • un·de·fin·i·tive·ness noun

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Word History and Origins

Origin of definitive1

First recorded in 1350–1400; Middle English, from Old French, from Latin dēfīnītīvus, equivalent to dēfīnīt(us) ( definite ) + -īvus adjective suffix ( -ive )

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Example Sentences

Datadog and Sqreen have signed a definitive acquisition agreement.

Some of the confusion may come from the fact that there still isn’t a definitive answer to exactly where the virus came from.

This April, the Library of America will release the second volume of its definitive edition of her work.

The results, which were presented at a conference in December, are not definitive.

It’s surprising and disappointing that these scientists have ignored definitive evidence that their studies are wrong.

Check out our definitive collection of destinations on the rise for next year.

Stay tuned for our definitive list of the top 10 cities to visit in 2015.

But instead of board member, the definitive organizational role in contemporary corporatism is (yep) the human resources manager.

BuzzFeed provided the “definitive ranking” of its favorite characters in the montage.

I never got a definitive answer, but I think he was used to having a rhythm section that would not be that dynamic under him.

Thus on the wreck of the world will he pronounce a definitive judgment, from which there will be no appeal.

But they insisted, as a previous condition, that I should make a positive and definitive choice of a profession.

He has not received a definitive answer from Ballachy; meet a money-lender, of whom I have some hopes.

Count de Vergennes was resolute in refusing to sign the definitive treaty with England before ours was signed.

But I will if possible suspend my judgment, and study her a few hours longer before I give you my definitive opinion.





definitionsdefinitive host