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.

To get a more definitive answer, the team turned to whole-genome sequencing.

From Science Daily • Apr. 27, 2026

I am returning to my White House vigil in all humility, asking the same questions as before — “What is Islam?” and “What is Terrorism?” — but without offering definitive answers.

From Salon • Apr. 26, 2026

Meanwhile the latest cancer care statistics showed that in January, 57% of cases started their first definitive treatment within 62 days of first being suspected of cancer, well below the target of 75%.

From BBC • Apr. 22, 2026

As for continuity on the offensive line, Chesney did not have a definitive answer.

From Los Angeles Times • Apr. 22, 2026

This was the first definitive film stock collection of the life of Malcolm X and it traveled extensively throughout the nation’s university circuit as well as to civil rights and Afro-American nationalist events.

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

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