intransitive/transitive to talk in a quiet voice that is difficult to hear, especially because you are annoyed or embarrassed, or are talking to yourself
He muttered an apology and then left.
‘That’s a matter of opinion,’ she muttered under her breath.
mutter (something) about someone/something:
Her husbandmuttered something about going out to find her.
mutter to yourself:
He turned and went upstairs, muttering to himself.
Synonyms and related words
To talk quietly or weakly
whisper
murmur
mutter
2
intransitive to complain indirectly or unofficially
mutter about:
Peoplebeganmuttering about the unfair way he was being treated.
Synonyms and related words
To complain
complain
mutter
lodge
derived words
mutter
noun
Word Forms
singular
mutter
plural
mutters
Synonyms and related words
Types of talk or writing
burble
murmur
patter
muttering
noun
Word Forms
singular
muttering
plural
mutterings
Synonyms and related words
Types of talk or writing
burble
murmur
patter
mutter
verb
US /ˈmʌtər/
Word Forms
present tense
I/you/we/they
mutter
he/she/it
mutters
present participle
muttering
past tense
muttered
past participle
muttered
DEFINITIONS2
1
intransitive/transitive to talk in a quiet voice that is difficult to hear, especially because you are annoyed or embarrassed, or are talking to yourself
He muttered an apology and then left.
“That’s a matter of opinion,” she muttered under her breath.
mutter (something) about someone/something:
Her husbandmuttered something about going out to find her.
mutter to yourself:
He turned and went upstairs, muttering to himself.
Synonyms and related words
To talk quietly or weakly
whisper
murmur
mutter
2
intransitive to complain indirectly or unofficially
mutter about:
Peoplebeganmuttering about the unfair way he was being treated.