conclusive
Americanadjective
-
serving to settle or decide a question; decisive; convincing.
conclusive evidence.
- Synonyms:
- definitive
-
tending to terminate; closing.
adjective
-
putting an end to doubt; decisive; final
-
approaching or involving an end or conclusion
Other Word Forms
- conclusively adverb
- conclusiveness noun
- nonconclusive adjective
- nonconclusively adverb
- nonconclusiveness noun
Etymology
Origin of conclusive
1580–90; < Late Latin conclūsīvus, equivalent to Latin conclūs ( us ) (past participle of conclūdere to conclude; conclusion ) + -īvus -ive
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.
But Davis said in a pool report “there was not clear and conclusive evidence to overturn the on-court ruling.”
From Los Angeles Times • Mar. 22, 2026
There is no conclusive evidence as to what those shipments contained.
From Barron's • Mar. 16, 2026
The most conclusive evidence came in 2018 when Israel whisked Iran’s secret nuclear archives out of Tehran.
From The Wall Street Journal • Mar. 15, 2026
"Studies have found increasing TFA levels in remote Arctic ice-cores and our results provide the first conclusive evidence that virtually all of these deposits can be explained by these gases."
From Science Daily • Feb. 6, 2026
He describes the phases as providing ‘strong evidence that Venus moves in a sun-centred orbit’ when one might rather say that they provide conclusive evidence.
From "The Invention of Science" by David Wootton
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.