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
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The defense attorney’s suspicions led him to request the plaintiff’s call detail records, which revealed a smoking gun: three calls between the plaintiff and the clinic's office manager in the week before the accident. Lars Daniel, Forbes, 7 Mar. 2025 Some Western intelligence and national security officials caution there is no smoking gun that signals Moscow's direct responsibility in all of the recent cable cutting incidents. Erin Banco and Mari Saito, USA TODAY, 19 Mar. 2025 There is not a smoking gun; there is not just one causal factor. Gary Stix, Scientific American, 30 Jan. 2025 Barring any smoking guns, that gives the board some legal leeway, according to Zohar Goshen, a professor at Columbia Law School. Andrew Ross Sorkin, New York Times, 26 Feb. 2025 See All Example Sentences for smoking gun

Word History

First Known Use

1974, in the meaning defined above

Time Traveler
The first known use of smoking gun was in 1974

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Cite this Entry

“Smoking gun.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/smoking%20gun. Accessed 15 Apr. 2025.

Last Updated: - Updated example sentences
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