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English definition of “mutter”

mutter

verb [I, T]
 
 
/ˈmʌtər/
B2 to speak quietly so that your voice is difficult to hear, often when complaining about something: She walked past me, muttering to herself. He muttered something about the restaurant being too expensive.Ways of speakingWays of talking
mutter noun [C]
(Definition of mutter from the Cambridge Learners Dictionary © Cambridge University Press)
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