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
Martino Carrera, Footwear News, 31 July 2025
Sources at Imax, Universal and other circuits are mum about this, as if Matt Damon’s Odysseus character will slay them for making a peep.
—Anthony D'alessandro, Deadline, 15 July 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
Jen Juneau, People.com, 1 Aug. 2025
The city has been mum on some major details, but the extent of the response — including an executive order from the governor to activate the Minnesota National Guard — speaks volumes to Trippel and other experts.
—Frederick Melo, Twin Cities, 31 July 2025
See All Example Sentences for mum
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Adjective
Rumors have swirled in Milan about the exact format of the upcoming showcase, but Gucci has been mum about details.
—Martino Carrera, Footwear News, 31 July 2025
Sources at Imax, Universal and other circuits are mum about this, as if Matt Damon’s Odysseus character will slay them for making a peep.
—Anthony D'alessandro, Deadline, 15 July 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
While there is chatter abound about who might play the next 007 following Daniel Craig's departure from the franchise — after several predecessors, including Sean Connery and Pierce Brosnan — Knight is mum on the prospects.
—Jen Juneau, People.com, 1 Aug. 2025
The city has been mum on some major details, but the extent of the response — including an executive order from the governor to activate the Minnesota National Guard — speaks volumes to Trippel and other experts.
—Frederick Melo, Twin Cities, 31 July 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 6 Aug. 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
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