\ ˈməm
\
\
Definition of mum
(Entry 1 of 5)
: silent
keep mum
mum
verb
mummed; mumming
Definition of mum (Entry 2 of 5)
1
: to perform in a pantomime
2
: to go about merrymaking in disguise during festivals
mum
noun (1)Definition of mum (Entry 3 of 5)
: a strong ale or beer
mum
Definition of mum (Entry 4 of 5)
chiefly British spelling of mom
mum
nounDefinition of mum (Entry 5 of 5)
Learn More About mum
Statistics for mum
Look-up Popularity
Cite this Entry
“Mum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mum. Accessed 11 Aug. 2022.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
More Definitions for mum
mum
adjective
\ ˈməm
\
\
Kids Definition of mum
(Entry 1 of 2)
: silent sense 4
Keep mum about the surprise party.
mum
Kids Definition of mum (Entry 2 of 2)
chiefly British variant of mom
Test Your Vocabulary
Challenging Words You Should Know
-
- Often used to describe “the march of time,” what does inexorable mean?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
Share mum
Time Traveler for mum
The first known use of mum was in the 14th century
See more words from the same century