Meaning of the word "dead men tell no tales" in English

What does "dead men tell no tales" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

dead men tell no tales

US /dɛd mɛn tɛl noʊ teɪlz/
UK /dɛd mɛn tɛl nəʊ teɪlz/
"dead men tell no tales" picture

Idiom

a proverb meaning that dead people cannot reveal secrets or testify against someone

Example:
The pirate decided to eliminate the witnesses, muttering that dead men tell no tales.
He thought he was safe after the accident because dead men tell no tales.