conclusive

adjective

con·​clu·​sive kən-ˈklü-siv 

-ziv

1

: of, relating to, or being a conclusion

2

: putting an end to debate or question especially by reason of irrefutability

The results were not conclusive.

conclusively adverb

conclusiveness noun

Synonyms

• absolute
• clear
• deciding
• decisive
• definitive
• last

Choose the Right Synonym for conclusive

conclusive, decisive, determinative, definitive mean bringing to an end.

conclusive applies to reasoning or logical proof that puts an end to debate or questioning.

conclusive evidence

decisive may apply to something that ends a controversy, a contest, or any uncertainty.

a decisive battle

determinative adds an implication of giving a fixed character or direction.

the determinative factor in the court's decision

definitive applies to what is put forth as final and permanent.

the definitive biography

Examples of conclusive in a Sentence

the archeological discovery was conclusive proof that the Vikings had indeed settled in North America around 1000 A.D.

a conclusive argument for allowing the students to put on a play of their own choosing

Recent Examples on the Web

The Atomic Energy Commission's investigation was not conclusive. —Aaron Katersky, ABC News, 5 Dec. 2024

No data is conclusive as to what form of garlic might be best for colds. —Nancy Lebrun, Verywell Health, 2 Dec. 2024

Researchers also uncovered conclusive evidence of the production of a type of pottery known as coarse red ware. —Thomas G. Moukawsher, Newsweek, 29 Nov. 2024

Disney only released statistics regarding those series first episodes, though, so no conclusive comparisons can be made about their finales. —Selome Hailu, Variety, 1 Nov. 2024

Word History

Etymology

see conclude

First Known Use

1536, in the meaning defined at sense 1

Kids Definition

conclusive

adjective

con·​clu·​sive kən-ˈklü-siv 

-ziv

: decisive sense 1, convincing

conclusive proof

conclusively adverb

conclusiveness noun

Legal Definition

conclusive

adjective

con·​clu·​sive

1

: of, relating to, or being a conclusion

2

: putting an end to debate or question especially by reason of inability to be refuted

conclusively adverb

conclusiveness noun