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
Synonyms
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
Eno Sarris, The Athletic, 15 Aug. 2024
The major airlines have largely been mum about the programs and their profitability, only referencing them in their filings and public statements.
—Chris Isidore, CNN, 8 Sep. 2024
Bybrit Morse, Fortune, 6 Nov. 2024
Ethan Millman, Rolling Stone, 26 Nov. 2024
Part One, starring Ariana Grande as Glinda and Cynthia Erivo as Elphaba, hit theaters on Nov. 22 — and Universal Pictures is keeping mum about when the musical fantasy film will be available on a streaming service.
—Samantha Stutsman, People.com, 23 Nov. 2024
See all Example Sentences for mum 
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Adjective
The Orioles are mum on their secret sauce – there are plenty of theories – though some of their guiding principles aren’t necessarily groundbreaking.
—Eno Sarris, The Athletic, 15 Aug. 2024
The major airlines have largely been mum about the programs and their profitability, only referencing them in their filings and public statements.
—Chris Isidore, CNN, 8 Sep. 2024
Verb
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
Citing the active investigation into the matter, authorities were mum on details about the bust, including how they got tipped for the investigation in the first place, who the suspects are, or how long ago authorities seized the instruments.
—Ethan Millman, Rolling Stone, 26 Nov. 2024
Part One, starring Ariana Grande as Glinda and Cynthia Erivo as Elphaba, hit theaters on Nov. 22 — and Universal Pictures is keeping mum about when the musical fantasy film will be available on a streaming service.
—Samantha Stutsman, People.com, 23 Nov. 2024
See all Example Sentences for mum
Dictionary Entries Near mum
Cite this Entry
“Mum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mum. Accessed 3 Dec. 2024.
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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