- serving to settle or decide a question; decisive; convincing: conclusive evidence.
- tending to terminate; closing.
Origin of conclusive
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for conclusive
Finding that conclusive link, however, seems unlikely given the track record of these studies.The Problematic Hunt for a ‘Gay Gene’
November 20, 2014
There is conclusive proof that Russia has been shelling Ukraine since at least July 16th, the day before MH17 was shot down.Russia’s Military Is Already in East Ukraine. Will There Be a Full-Scale Invasion?
August 2, 2014
There remains no conclusive evidence as to what happened on or to the plane.The Surprisingly Good Flight 370 Novel: Author Scott Maka Defends His Controversial Book
June 14, 2014
So do the “best ever” arguments which of course have no conclusive answers but are part of what makes being a sports fan fun.Peyton Manning and Tom Brady Don’t Control Their Own Legacies
January 18, 2014
Our conflicts are similar to managing deadly outbreaks of disease, with clear, conclusive victories seldom known or celebrated.The Essential Spy Guide
Henry A. Crumpton
May 2, 2013
The bare reference to a single consideration will be conclusive on this point.
His justification would then be too conclusive to admit of question.
“You will want some conclusive evidence,” came the observation in a murmur.The Secret Agent
"They ain't worth much," he said, dropping them, with a conclusive air.Meadow Grass
White recognized the phrase and its conclusive contemporary weight.Roden's Corner
Henry Seton Merriman
- putting an end to doubt; decisive; final
- approaching or involving an end or conclusion
Word Origin and History for conclusive
1610s, "occurring at the end," from French conclusif, from Late Latin conclusivus, from conclus-, past participle stem of concludere (see conclude). Meaning "definitive, decisive, convincing" (putting an end to debate) is from 1640s. Related: Conclusiveness.