- 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.
- Biology. fully developed or formed; complete.
Origin of definitive
SynonymsSee more synonyms for definitive on Thesaurus.com
Examples from the Web for definitive
Check out our definitive collection of destinations on the rise for next year.Next Stop, Quito: Our Top Cities for 2015
December 19, 2014
Stay tuned for our definitive list of the top 10 cities to visit in 2015.Why Your Next Vacation Will Be in Turkmenistan
December 13, 2014
But instead of board member, the definitive organizational role in contemporary corporatism is (yep) the human resources manager.Valerie Jarrett, Obama Consigliere—and Democracy Killer
November 12, 2014
BuzzFeed provided the “definitive ranking” of its favorite characters in the montage.There Are More 'Too Many Cooks' Where That First Fever Dream Came From
November 11, 2014
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.Herbie Hancock Holds Forth
November 8, 2014
The first, the most fierce, and the definitive battle was fought over the moon.My Double Life
We have yet no news of the signature of the definitive treaty.
The versions given are the definitive and authoritative ones.College Teaching
Closeness to the natural environment is definitive of this stage.
These characteristics are definitive of the civilization of illiteracy.
- serving to decide or settle finally; conclusive
- most reliable, complete, or authoritativethe definitive reading of a text
- serving to define or outline
- zoology fully developed; completethe definitive form of a parasite
- (of postage stamps) permanently on sale
- (as noun)a definitive postage stamp
- grammar a word indicating specificity of reference, such as the definite article or a demonstrative adjective or pronoun
Word Origin and History for definitive
late 14c., from Old French definitif (12c.), from Latin definitivus "explanatory, definitive," from past participle stem of definire (see define). Related: Definitively.