Definitive

mediumPositive tone

dih-FIN-ih-tiv

adjective

Definition

Done or reached decisively and with authority; conclusive

Memory hook

DEFINIT-ive: the FINAL DEFINITION - the last word on the subject, case closed.

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Word roots

definireto set limits, define(Latin)

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Examples

This is the definitive biography of the famous author.
The court's decision was definitive and could not be appealed.

Test yourself

Fill in the blank with the right word:

This is the ______ biography of the famous author.
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definitive

Synonyms

conclusiveauthoritativedecisiveultimate

Antonyms

tentativeprovisionalinconclusivepreliminary

Categories

View all Conclusiveness words

GRE Tip

Definitive is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "conclusive" or "authoritative" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "tentative".

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