Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

mum

play
adjective \ˈməm\

Simple Definition of mum

  • : not talking about something

Source: Merriam-Webster's Learner's Dictionary

Full Definition of mum

  1. :  silent <keep mum>

Examples of mum in a sentence

  1. I'd like to know how much they paid, but they've been mum on that subject.

  2. <kept mum about the surprise bridal shower>



Origin of mum

Middle English mom, momme, probably imitative of a sound made with closed lips


First Known Use: 14th century

Rhymes with mum


2

mum

verb

Definition of mum

mummedmumming

  1. intransitive verb
  2. 1 :  to perform in a pantomime

  3. 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


3

mum

noun

Definition of mum

  1. :  a strong ale or beer



Origin of mum

German Mumme


First Known Use: 1640


4

mum

Definition of mum

  1. chiefly British variant of mom




5

mum

noun

Definition of mum



1917

First Known Use of mum

1917

Other Seed Plant Terms



MUM Defined for Kids

1

mum

play
adjective \ˈməm\

Definition of mum for Students

  1. :  silent 4 <Keep mum about the surprise party.>




2

mum

play

Definition of mum for Students

  1. chiefly British variant of mom





Seen and Heard

What made you want to look up mum? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

marked by propriety and good taste

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

angry maudlin oily prompt
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ