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English definition of “mouth off (to/at sb)”

mouth off (to/at sb)

informal disapproving
verb [T] uk phrasal verb with mouth   /maʊð/ us  
to speak in a rude or offensive way to someone: She's a typical teenager, coming home late at night and mouthing off to her parents.
(Definition of mouth off (to/at sb) from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “mouth off (to/at sb)”

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