mummed; mumming
1
: to perform in a pantomime
2
: to go about merrymaking in disguise during festivals
: a strong ale or beer
mum
4 of 5chiefly British spelling of mom
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
Charles Selle, Chicago Tribune, 2 June 2025
The White House had been mum on details ahead of Wednesday's event.
—Alexandra Hutzler, ABC News, 2 Apr. 2025
Arika Herron, Axios, 7 Jan. 2025
In the past, many business leaders have stayed out of the fray and publicly mum about their own political beliefs.
—Bybrit Morse, Fortune, 6 Nov. 2024
Samantha Bergeson, IndieWire, 23 June 2025
Despite the once-powerful Democrat’s apparent overtures to gain the president’s sympathy, Trump has remained mum.
—Ella Lee, The Hill, 18 June 2025
See All Example Sentences for mum
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adjective
Victor Felix has been mainly mum about claims he’s been throwing his governmental weight around over the city’s annual Viva la Independencia parade.
—Charles Selle, Chicago Tribune, 2 June 2025
The White House had been mum on details ahead of Wednesday's event.
—Alexandra Hutzler, ABC News, 2 Apr. 2025
Verb
League officials have been mum on when new teams may be added, but Mayor Joe Hogsett continues to be bullish on his plans to build a soccer-specific stadium on the southeast side of downtown.
—Arika Herron, Axios, 7 Jan. 2025
In the past, many business leaders have stayed out of the fray and publicly mum about their own political beliefs.
—Bybrit Morse, Fortune, 6 Nov. 2024
Noun
As for her other possible acting roles, Streisand stayed mum.
—Samantha Bergeson, IndieWire, 23 June 2025
Despite the once-powerful Democrat’s apparent overtures to gain the president’s sympathy, Trump has remained mum.
—Ella Lee, The Hill, 18 June 2025
See All Example Sentences for mum
Cite this Entry
“Mum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mum. Accessed 8 Jul. 2025.
Copy CitationKids Definition
mum
1 of 3 adjective
: silent sense 1
keep mum
mum
2 of 3 nounmum
3 of 3chiefly British variant of mom
Love words? Need even more definitions?
Merriam-Webster unabridged
Share