Definition of mum
: silent keep mum
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Examples of mum in a sentence
I'd like to know how much they paid, but they've been mum on that subject.
kept mum about the surprise bridal shower
Origin and Etymology of mum
Middle English mom, momme, probably imitative of a sound made with closed lips
First Known Use: 14th century
mum
Definition of mum
mummed
;mumming
intransitive verb
1 : to perform in a pantomime
2 : to go about merrymaking in disguise during festivals
Origin and Etymology 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: 15th century
mum
Definition of mum
: a strong ale or beer
Origin and Etymology of mum
German Mumme
First Known Use: circa 1623
1891
First Known Use of mum
1891
MUM Defined for English Language Learners
Definition of mum for English Language Learners
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: not talking about something
MUM Defined for Kids
Learn More about mum
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See words that rhyme with mum Thesaurus: All synonyms and antonyms for mum Spanish Central: Translation of mum Nglish: Translation of mum for Spanish speakers Britannica English: Translation of mum for Arabic speakers Britannica.com: Encyclopedia article about mum
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