Something definitive is complete and final. A definitive example is the perfect example. A definitive answer is usually a strong yes or no. A definitive biography contains everything we'll ever need …

DEFINITIVE definition: most reliable or complete, as of a text, author, criticism, study, or the like. See examples of definitive used in a sentence.

DEFINITIVE meaning: 1. not able to be changed or improved: 2. considered to be the best of its type: 3. not able to…. Learn more.

Something that is definitive provides a firm conclusion that cannot be questioned. No one has come up with a definitive answer as to why this should be so. There is no definitive test as yet …

Serving to define or identify as distinct from others: "The Enlightenment pushed this project further trying to make science and its hallmark method definitive of the rational life" (Peter Machamer).

Definition of definitive adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

de•fin•i•tive (di fin′ i tiv), adj. most reliable or complete, as of a text, author, criticism, study, or the like: the definitive biography of Andrew Jackson. serving to define, fix, or specify definitely: to …

• The definitive movie on these two men whose courage reshaped a nation remains to be made. • He added that many market watchers had been hoping for some type of agreement or …

DEFINITIVE meaning: 1 : not able to be argued about or changed final and settled; 2 : complete, accurate, and considered to be the best of its kind

There are 12 meanings listed in OED's entry for the word definitive, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.