definitive

[dih-fin-i-tiv] / dɪˈfɪn ɪ tɪv /

ADJECTIVE

authoritative

Synonyms

STRONGEST

actual categorical clear-cut conclusive decisive definite exhaustive precise reliable specific ultimate unambiguous

WEAK

absolute closing complete completing concluding determining downright ending express final finishing flat out last limiting nailed down perfect plain real settling straight out terminal terminating

Antonyms

STRONGEST

ambiguous false imprecise indefinite inexact questionable uncertain vague

WEAK

incomplete inconclusive interim temporary unreliable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This time, he’s rewriting the entire script, to be staged on a set decked out in the definitive material of autocratic decadence: gold.

From Slate • Jun. 11, 2026

Kennedy said the academic literature on hourly matching remains at an early stage and isn’t definitive enough to show the model’s impact.

From The Wall Street Journal • Jun. 11, 2026

A record earnings beat wasn’t enough for Oracle to satisfy investors, who are looking for more definitive proof of a successful artificial-intelligence business transformation.

From MarketWatch • Jun. 10, 2026

There is a lot that is different about the mega-IPO, making definitive predictions a fool’s errand.

From Barron's • Jun. 9, 2026

My father affected Americans—black and white—in untold measure and not always in ways as definitive as census charts and polls have dictated.

From "The Autobiography of Malcolm X" by Alex Malcolm X;Hailey

Vocabulary lists containing definitive

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G.1: Principles of Geography (Sources 1–14)

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Extremely Loud and Incredibly Close

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