# smoking gun

> English word · Noun

## Definitions
1. Evidence, particularly of a crime, that is difficult or impossible to dispute.

## Etymology
Often traced back to the Sherlock Holmes story The Adventure of the Gloria Scott.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/smoking-gun