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
ArsTechnica, 4 July 2025
So far, regulators have been mum on whether any enforcement action has been taken after the lapse in hazardous waste protocols.
—Tony Briscoe, Los Angeles Times, 3 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
Christopher Cruz, Rolling Stone, 10 July 2025
Tucker has stayed mum on the topic, keeping his focus on the team and doing his job every day.
—Sean Hammond, Chicago Tribune, 5 July 2025
See All Example Sentences for mum
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Adjective
Blue Origin has been mum about the payload that will fly on this rocket, but multiple people have told Ars that the current plan is to launch NASA's ESCAPADE mission on the second launch of New Glenn.
—ArsTechnica, 4 July 2025
So far, regulators have been mum on whether any enforcement action has been taken after the lapse in hazardous waste protocols.
—Tony Briscoe, Los Angeles Times, 3 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
Nintendo reps remain mum on exactly how or why Pauline has reverted to kid form, or if this is even the same Pauline.
—Christopher Cruz, Rolling Stone, 10 July 2025
Tucker has stayed mum on the topic, keeping his focus on the team and doing his job every day.
—Sean Hammond, Chicago Tribune, 5 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 13 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
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