American English

Definition of bad-mouth verb from the Oxford Advanced American Dictionary



, NAmE//ˈbædmaʊð//
bad-mouth somebody (informal)Verb Forms present simple I / you / we / they bad-mouth
he / she / it bad-mouths
past simple bad-mouthed
-ing form bad-mouthing
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to say unpleasant things about someone No one wants to employ someone who bad-mouths their former employer.
See the Oxford Advanced Learner's Dictionary entry: bad-mouth