First Known Use: 14th century
Dictionary
1mum
adjective \ˈməm\
: not talking about something
Full Definition of MUM
: silent <keep mum>
See mum defined for English-language learners
See mum defined for kids
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Origin of MUM
Middle English mom, momme, probably imitative of a sound made with closed lips
Related to MUM
- Synonyms
- dumb, silent, mute, muted, speechless, uncommunicative, wordless
- Antonyms
- communicative, speaking, talking
2mum
verb
mummedmum·ming
Definition of MUM
intransitive verb
1
: to perform in a pantomime
2
: to go about merrymaking in disguise during festivals
Origin of MUM
Middle English mommen, to mumble, perform (a mummer's play), probably in part from mom, in part from Middle French momer to go masked
First Known Use: 1530
3mum
noun
Definition of MUM
: a strong ale or beer
Origin of MUM
German Mumme
First Known Use: 1640
4mum
Definition of MUM
chiefly British variant of mom
5mum
noun
Definition of MUM
First Known Use of MUM
1917
MUM Defined for Kids
1mum
adjective \ˈməm\
Definition of MUM for Kids
: silent 4 <Keep mum about the surprise party.>
2mum
Definition of MUM for Kids
chiefly British variant of mom
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