Meanings
Often traced back to the Sherlock Holmes story The Adventure of the Gloria Scott.[1][2]
How to pronounce "smoking gun":
AU
Evidence, particularly of a crime, that is difficult or impossible to dispute.
Example: "We have a theory, but we haven't found a smoking gun yet."
Example Sentences
1
The investigators found the smoking gun that linked the suspect to the crime scene.
2
The email from the defendant's account served as a smoking gun in the court case.
3
The secret video footage was the smoking gun that exposed the corruption within the company.
4
The financial records turned out to be the smoking gun that proved the CEO's embezzlement.
5
The diary entry was the smoking gun that revealed the truth about the mysterious disappearance.
