smoking gun
noun
: something that serves as conclusive evidence or proof (as of a crime or scientific theory)
Examples of smoking gun in a Sentence
This document is the smoking gun that proves that he was lying.
Recent Examples on the Web
But the appearance of other toxins has complicated that theory and so far no smoking gun has emerged, Florida Gulf Coast University algae expert Mike Parsons said Friday.
—
Jenny Staletovich, Sun Sentinel, 18 Mar. 2024
There were various theories as to why, but no smoking gun, like an asteroid, to explain their rise.
—Geoff Brumfiel, NPR, 27 Nov. 2024
Instead, the clearest smoking gun in De Pauw’s data is actually much simpler: subjective rating of effort, which was assessed on a scale of 6 to 20 every four laps.
—Alex Hutchinson, Outside Online, 4 Nov. 2024
No smoking gun has surfaced to prove the alleged bribe actually occurred.
—Keegan Hamilton, Los Angeles Times, 16 Oct. 2024
See all Example Sentences for smoking gun 
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Jenny Staletovich, Sun Sentinel, 18 Mar. 2024
There were various theories as to why, but no smoking gun, like an asteroid, to explain their rise.
—Geoff Brumfiel, NPR, 27 Nov. 2024
Instead, the clearest smoking gun in De Pauw’s data is actually much simpler: subjective rating of effort, which was assessed on a scale of 6 to 20 every four laps.
—Alex Hutchinson, Outside Online, 4 Nov. 2024
No smoking gun has surfaced to prove the alleged bribe actually occurred.
—Keegan Hamilton, Los Angeles Times, 16 Oct. 2024
See all Example Sentences for smoking gun
Dictionary Entries Near smoking gun
Cite this Entry
“Smoking gun.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/smoking%20gun. Accessed 21 Dec. 2024.
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