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.

However, the data is limited and not definitive.

From Science Daily • Apr. 12, 2026

There’s no such thing as a definitive staging of “Death of a Salesman,” but this version ranks as the finest Broadway production of any classic play in many years.

From The Wall Street Journal • Apr. 10, 2026

The independent directors have retained law firm Munger, Tolles & Olson LLP, which has brought on AlixPartners as an independent consultant, and there is no definitive timetable for the investigation.

From Barron's • Apr. 8, 2026

Bass did not offer any definitive conclusions, saying the city now has outside researchers assessing the problem.

From Los Angeles Times • Apr. 5, 2026

For every one of these questions Viking has provided definitive or at least plausible answers.

From "Cosmos" by Carl Sagan

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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