Meaning of the word "dead men don't bite" in English

What does "dead men don't bite" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

dead men don't bite

US /dɛd mɛn doʊnt baɪt/
UK /dɛd mɛn dəʊnt baɪt/
"dead men don't bite" picture

Idiom

a proverb meaning that a dead person cannot cause any further trouble or harm

Example:
The villain decided to eliminate the witness, muttering, 'Dead men don't bite.'
He felt safe once his rival was gone, believing that dead men don't bite.