Synonyms & Antonyms of conclusive

1 serving to put an end to all debate or questioning
  • the archeological discovery was conclusive proof that the Vikings had indeed settled in North America around 1000 a.d.

Synonyms for conclusive

Words Related to conclusive

Near Antonyms for conclusive

Antonyms for conclusive

2 having the power to persuade
  • a conclusive argument for allowing the students to put on a play of their own choosing

Synonyms for conclusive

Words Related to conclusive

Near Antonyms for conclusive

Antonyms for conclusive

See the Dictionary Definition 

Frequently Asked Questions About conclusive

How is the word conclusive different from other adjectives like it?

Some common synonyms of conclusive are decisive, definitive, and determinative. While all these words mean "bringing to an end," conclusive applies to reasoning or logical proof that puts an end to debate or questioning.

conclusive evidence

When would decisive be a good substitute for conclusive?

The words decisive and conclusive can be used in similar contexts, but decisive may apply to something that ends a controversy, a contest, or any uncertainty.

a decisive battle

When could definitive be used to replace conclusive?

The meanings of definitive and conclusive largely overlap; however, definitive applies to what is put forth as final and permanent.

the definitive biography

When might determinative be a better fit than conclusive?

While in some cases nearly identical to conclusive, determinative adds an implication of giving a fixed character or direction.

the determinative factor in the court's decision

Learn More About conclusive

Time Traveler for conclusive

Time Traveler

The first known use of conclusive was in 1536

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Cite this Entry

“Conclusive.” Thesaurus, Merriam-Webster, Accessed 17 May. 2022.

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More from Merriam-Webster on conclusive

Nglish: Translation of conclusive for Spanish Speakers

Britannica English: Translation of conclusive for Arabic Speakers


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