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.

A fragile ceasefire, in place since April 8, has mostly brought a halt to the fighting but diplomatic efforts to bring the war to a definitive end have proved inconclusive so far.

From Barron's • May 27, 2026

This ultimate step will allow definitive claims to be made, potentially unlocking a new understanding of how the universe works at the most elementary level.

From Science Daily • May 26, 2026

My economics research published in the peer-reviewed Journal of Law and Economics demonstrates that the answer is a definitive no.

From Slate • May 22, 2026

“We had held off on filing our definitive proxy statement and first letter to shareholders in hopes that we could resolve this situation with a constructive settlement, but we will be issuing both.”

From The Wall Street Journal • May 19, 2026

At last he set his cup down with a final, definitive click against the saucer.

From "The Great Santini" by Pat Conroy

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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