Definitions

conclusive

[kuhn-kloo-siv] / kənˈklu sɪv /

ADJECTIVE

definite, final

Synonyms

STRONGEST

compelling convincing decisive indisputable irrefutable irrevocable precise unambiguous undeniable unmistakable

WEAK

absolute all out clear clinching cogent deciding demonstrative determinant determinative flat out incontrovertible irrefragable irrefrangible litmus test resolving revealing settling straight out telling ultimate unanswerable unarguable unconditional unquestionable what you see is what you get

Antonyms

STRONGEST

ambiguous disputable doubtful dubious indefinite questionable refutable uncertain unsure

WEAK

inconclusive

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.

That might have promised a more conclusive outcome.

From The Wall Street Journal • May 25, 2026

But the internal research it conducted was conclusive.

From The Wall Street Journal • May 16, 2026

It noted that the majority of the panel deemed "there was no conclusive evidence of a handball".

From BBC • May 15, 2026

He declared himself "no longer sceptical" about the issue, having waited for conclusive proof that humanity was changing the climate.

From Barron's • May 6, 2026

“The sign of the Deathly Hallows on Ignotus’s grave is conclusive proof!”

From "Harry Potter and the Deathly Hallows" by J.K. Rowling

Vocabulary lists containing conclusive

The Emancipation Proclamation (1862)

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Case Closed: Clud, Clus

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The Articles of Confederation (1777)

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