WordReference Random House Learner's Dictionary of American English © 2017
de•fin•i•tive /dɪˈfɪnɪtɪv/USA pronunciation
adj. WordReference Random House Unabridged Dictionary of American English © 2017
- serving to define, set, or specify definitely:gave a definitive statement on the crisis.
- most reliable or complete:the definitive text on disorders of the circulatory system.
(di fin′i tiv),USA pronunciation 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 clarify with a definitive statement.
- 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.
- Developmental Biology[Biol.]fully developed or formed;
- Grammara defining or limiting word, as an article, a demonstrative, or the like.
- Stamps[Philately.]a stamp that is a regular issue and is usually on sale for an extended period of time. Cf. commemorative (def. 2).
- Latin dēfīnītīvus, equivalent. to dēfīnīt(us) (see definite) + -īvus -ive
- Old French
- Middle English 1350–1400
- 3.See corresponding entry in Unabridged complete, absolute, ultimate, supreme.
Collins Concise English Dictionary © HarperCollins Publishers::
definitive /dɪˈfɪnɪtɪv/ adj
- serving to decide or settle finally; conclusive
- most reliable, complete, or authoritative
- serving to define or outline
- fully developed; complete
- (of postage stamps) permanently on sale
- a word indicating specificity of reference, such as the definite article or a demonstrative adjective or pronoun
'definitive' also found in these entries: