con·​clu·​sive | \ kən-ˈklü-siv How to pronounce conclusive (audio) , -ziv\

Definition of conclusive

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.

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Other Words from conclusive

conclusively adverb
conclusiveness noun

Synonyms & Antonyms for conclusive


absolute, clear, deciding, decisive, definitive, last


inconclusive, indecisive, unclear

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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

This has been shown to be happening in other watersheds, though there is not yet conclusive evidence from the Amazon. Clearances also lead to local drying. The Economist, "The Amazon is approaching an irreversible tipping point," 1 Aug. 2019 Still, the odds of finding conclusive evidence are long. National Geographic, "Robert Ballard found the Titanic. Can he find Amelia Earhart’s airplane?," 23 July 2019 In congruence with typical replay reviews, conclusive visual evidence is required to overturn a call on the floor. Jake Fischer,, "Coach's Challenges Are Coming: Is the NBA Ready?," 10 July 2019 In other words, the science is far from conclusive. Joe Lindsey, Popular Mechanics, "Filling the Void: What Is Dark Matter?," 28 May 2019 Narratologists will try a different tack, asking how conclusive the trilogy really was. Anthony Lane, The New Yorker, "“Toy Story 4” Plays It Again," 21 June 2019 The replays the Giants saw on the Dodger Stadium scoreboard were conclusive. Kerry Crowley, The Mercury News, "San Francisco Giants’ late comeback effort ends in controversy, calls for accountability," 21 June 2019 Still, the last 30 years of research haven’t been conclusive. Tara C. Smith, SELF, "How Worried Do You Need to Be About Asbestos in Baby Powder and Other Talc Products?," 31 Jan. 2019 Research continues to try and find the exact location and conclusive evidence of the White City. Fox News, "Explorers hunting for mystery city in Honduran rainforest find unknown creatures," 26 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'conclusive.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of conclusive

1536, in the meaning defined at sense 1

History and Etymology for conclusive

see conclude

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Statistics for conclusive

Last Updated

13 Aug 2019

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Time Traveler for conclusive

The first known use of conclusive was in 1536

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More Definitions for conclusive



English Language Learners Definition of conclusive

: showing that something is certainly true


con·​clu·​sive | \ kən-ˈklü-siv How to pronounce conclusive (audio) \

Kids Definition of conclusive

: decisive sense 1 Police found conclusive evidence.

Other Words from conclusive

conclusively adverb This conclusively proves her innocence.



Legal Definition of conclusive

1 : of, relating to, or being a conclusion
2 : putting an end to debate or question especially by reason of inability to be refuted

Other Words from conclusive

conclusively adverb
conclusiveness noun

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Comments on conclusive

What made you want to look up conclusive? Please tell us where you read or heard it (including the quote, if possible).


to shake or wave menacingly

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