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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Dissimilar Words

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

Washington — The Federal Reserve has remained mum about interest rates as inflation concerns have heightened, leading to confusion about the state of the US economy. — Bryan Mena, CNN Money, 27 July 2026 Samsung is still mum on the details of total brightness in this new line of devices. — Florence Ion, PC Magazine, 26 July 2026

Noun

Though the album remains in the works, the group stayed mum about what — and who — else listeners can expect. — Carl Lamarre, Billboard, 10 Sep. 2026 Jon Rahm and Tyrrell Hatton, two Ryder Cup greats and likely the other two best players in the league, have remained quite mum on their futures. — Brody Miller, New York Times, 9 Sep. 2026 See All Example Sentences for mum

Recent Examples of Synonyms for mum

Adjective

By the end, the audience is left almost speechless — and still thinking about this singular, deeply original performance long after Lyons has left the stage.

— Rebecca Rosman, NPR, 31 Aug. 2026
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

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

But like many people who often turn to humor in uncomfortable situations, Iain attempted to make a few jokes, while Holly Revord remained totally silent.

— Lexy Perez, HollywoodReporter, 6 Oct. 2026
In the last stretch of Slam Frank, the show turns serious, as Anne’s silent sister Margot starts talking.

— Jackson McHenry, Vulture, 5 Oct. 2026

Definition of silent

Noun

In October 2025, an attack on Asahi Group Holdings caused most of the company’s 30 domestic factories to shut down, leading to shortages of the popular Asahi Super Dry beer.

— Will McCurdy, PC Magazine, 10 Oct. 2026
Its location in an industrial working waterway won’t provide glorious views, but there’s something whimsical about hot tub boating on a summer’s evening, especially with a local Driftwood beer in hand.

— Adrienne Matei, Condé Nast Traveler, 10 Oct. 2026

Definition of beer

Noun

At Turn Verein, the area’s German community center, revelers will have the opportunity to watch traditional dancing, listen to folk and polka bands and of course, drink steins of authentic German ale alongside classic Bavarian fare.

— Camila Pedrosa, Sacbee.com, 9 Oct. 2026
Wash it down with a glass of Red Brick Hoplanta ale, brewed in Atlanta’s Upper Westside.

— Condé Nast, Condé Nast Traveler, 7 Oct. 2026

Definition of ale

Adjective

Instead of the pops of yellow included in the original design, Stone’s NYFF look went with muted grays and beiges.

— Julia Teti, Footwear News, 8 Oct. 2026
With the crowd on its feet still hoping for a comeback, pinch-hitter Gavin Sheets struck out to end it and the Brewers had a muted celebration on the field.

— ABC News, ABC News, 8 Oct. 2026

Definition of muted

Browse Nearby Words

multiyear

mum

mumble

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Cite this Entry

Style

“Mum.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mum. Accessed 13 Oct. 2026.

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Synonyms of mum

adjective

noun

Example Sentences

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