Meaning of the word bad-mouth in English

What does bad-mouth mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

bad-mouth

US /ˈbæd.maʊθ/
UK /ˈbæd.maʊθ/
"bad-mouth" picture

Verb

to criticize someone or something, especially when they are not there

Example:
Stop bad-mouthing your colleagues behind their backs.
He was fired for bad-mouthing the company on social media.