Definition of mutter
1 : to utter sounds or words indistinctly or with a low voice and with the lips partly closed … he gestured and muttered furiously in his lawyer's ear. — Tana French
2 : to murmur complainingly or angrily : grumble Some employees muttered about the changes in the pension plan.
: to utter especially in a low or imperfectly articulated manner muttered an apology
muttererplay \-tər-ər\ noun
Examples of mutter in a sentence
She angrily muttered something about her bad luck.
She sat practicing her speech, muttering to herself.
Some employees are muttering about the changes in the pension plan.
Origin and Etymology of mutter
Middle English muteren, of imitative origin
First Known Use: 14th century
MUTTER Defined for English Language Learners
Definition of mutter for English Language Learners
: to speak quietly so that it is difficult for other people to hear what you say
: to complain in a quiet or indirect way
MUTTER Defined for Kids
Seen and Heard
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