mum

1 of 5

adjective

: silent
keep mum

mum

2 of 5

verb

mummed; mumming

intransitive verb

1
: to perform in a pantomime
2
: to go about merrymaking in disguise during festivals

mum

3 of 5

noun (1)

: a strong ale or beer

mum

4 of 5

chiefly British spelling of mom

mum

5 of 5

noun

Examples of mum in a Sentence

Adjective I'd like to know how much they paid, but they've been mum on that subject. kept mum about the surprise bridal shower
Recent Examples on the Web
Adjective
Dozens of brands contacted by The New York Times for this article, many of whom had already shipped spring collections for 2024, were similarly mum. Elizabeth Paton, New York Times, 27 Mar. 2024 Carriers are notoriously mum about why their networks go down. Catherine Thorbecke, CNN, 22 Feb. 2024 See all Example Sentences for mum 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mum.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Adjective

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

Verb

Middle English mommen, to mumble, perform (a mummer's play), probably in part from mom, in part from Middle French momer to go masked

Noun (1)

German Mumme

First Known Use

Adjective

14th century, in the meaning defined above

Verb

15th century, in the meaning defined at sense 1

Noun (1)

circa 1623, in the meaning defined above

Noun

1891, in the meaning defined above

Time Traveler
The first known use of mum was in the 14th century

Dictionary Entries Near mum

Cite this Entry

“Mum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mum. Accessed 29 May. 2024.

Kids Definition

mum

1 of 3 adjective
: silent sense 1
keep mum

mum

2 of 3 noun

mum

3 of 3

chiefly British variant of mom

More from Merriam-Webster on mum

Last Updated: - Updated example sentences
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