Definition of definitive
(Entry 1 of 2)
1
: serving to provide a final solution or to end a situation
a definitive victory could not give a definitive diagnosis
2
: authoritative and apparently exhaustive
a definitive critical biography
3a
: serving to define or specify precisely
established definitive guidelines for sentencing criminals
b
: serving as a perfect example : quintessential
a definitive bourgeois A slow race is the definitive Leechfield competition. You win it by coming in last.— Mary Karr
4
biology
: fully differentiated or developed
a definitive organ
5
of a postage stamp
: issued as a regular stamp for the country or territory in which it is to be used
definitive
nounDefinition of definitive (Entry 2 of 2)
: a postage stamp issued as a regular stamp for the country or territory in which it is to be used : a definitive (see definitive entry 1 sense 5) postage stamp — compare provisional
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Merriam-Webster unabridged
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Time Traveler for definitive
The first known use of definitive was in the 14th century
See more words from the same century