MUM Synonyms: 109 Similar and Opposite Words

mum 1 of 2

adjective

ˈməm

Definition of mum

as in speechless

deliberately refraining from speech kept mum about the surprise bridal shower

Synonyms & Similar Words

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Antonyms & Near Antonyms

mum

2 of 2

noun

as in nappy

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Example Sentences

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.

Recent Examples of mum

Adjective

When the president’s immigration enforcement tactics wreaked havoc on everyday life in America’s cities, GOP lawmakers were mum. — The Editorial Board, Chicago Tribune, 8 June 2026 As for interior, the yard was mum on those details for now, at least. — Nicole Hoey, Robb Report, 28 Apr. 2026

Noun

Neither will New York City Mayor Zohran Mamdani, who on Tuesday was mum on any details to which he’d been made privy, carefully side-stepping a question about the Swift event during a press conference about the impending heat wave. — Alli Rosenbloom, CNN Money, 1 July 2026 Author Andy Weir has remained mum on chances of a sequel, saying his next book is a standalone novel. — Hannah Abraham, Forbes.com, 1 July 2026 See All Example Sentences for mum

Recent Examples of Synonyms for mum

Adjective

His friends, from brother Luigi (Charlie Day) to Princess Peach (Anya Taylor-Joy) veer in a similar direction, somehow coming across less fully formed and three-dimensional than their nearly speechless inspirations from Nintendo‘s flagship franchise.

— Wilson Chapman, IndieWire, 31 Mar. 2026
In helicopter video taken by Air Maui Helicopter Tours in Lahaina and posted online the people aboard are largely speechless.

— Phil Helsel, NBC News, 10 Aug. 2023

Definition of speechless

Noun

These are giant concrete-like clusters of cooking oil, grease, nappies, wet wipes and such that congeal into masses in our sewers, clogging networks.

— Abhimanyu Ghoshal, New Atlas, 25 Aug. 2025
But composting services aren’t universally available and some of the products are less absorbent than normal nappies, critics say.

— Diana Olick, CNBC, 1 July 2025

Definition of nappy

Adjective

The oversized teeth of the character were originally to be used only during silent scenes, but Carrey learned to talk with them on to make his character even more cartoon-like.

— Mike Barnes, HollywoodReporter, 24 July 2026
School is meant to prepare students for the real world, but too many institutions are training kids to be silent.

— Annabelle Garland, The Atlantic, 23 July 2026

Definition of silent

Noun

The drink menu is intentionally simply priced — every cocktail and glass of wine are $13, and all nine beer selections are $6-$7.

— Sophie Lindberg, Kansas City Star, 25 July 2026
Once the two families bond (sort of), Homer (Dan Castellaneta) and Peter obviously end up at each other’s throats in a dispute over beer.

— Chris Snellgrove, Entertainment Weekly, 25 July 2026

Definition of beer

Adjective

The film centers on Wang Wei (Miao), a mysterious mute tradesman who is forced into a violent underworld after his daughter is kidnapped by a Southeast Asian child trafficking syndicate.

— Matt Grobar, Deadline, 22 July 2026
Even Athena, if that genuinely is whom Zendaya is playing, isn’t that helpful, mostly staring at Odysseus in mute dismay.

— Amy Nicholson, Los Angeles Times, 15 July 2026

Definition of mute

Adjective

Despite the film’s slow-cinema touches, its storytelling structure and emotionality — even though muted and quiet — recall instead the melodrama at its most facile.

— Elena Lazic, Variety, 25 July 2026
Anger was further fueled by what was perceived as a muted response from the government about the protesters demands, which included compensation for the families of students who died by suicide after the exam paper leaks.

— Mithil Aggarwal, NBC news, 24 July 2026

Definition of muted

Noun

On our small Farm in Ennis Texas, my father would pick wild Muscadine grapes and make home brew.

— Noel Burgess, Forbes.com, 2 Mar. 2026
Consumers are switching to cheaper home brews, alternative drinks or giving up coffee entirely, though some miss the social ritual.

— Matt Sedensky, Los Angeles Times, 14 Feb. 2026

Definition of home brew

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“Mum.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mum. Accessed 27 Jul. 2026.

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Synonyms of mum

adjective

noun

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