CLAMMED UP Synonyms: 22 Similar and Opposite Words

clammed up

verb

past tense of clam up

as in hushed

to stop talking the little girl clammed up when the doctor came into the room

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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 clammed up Anyone asked by local or national media over the past few months if they’d been invited to the nuptials clammed up quickly. — Lisa Gutierrez, Kansas City Star, 2 July 2026 On Israel, a lot of candidates have clammed up. — Naaman Zhou, New Yorker, 22 June 2026 The Arrested Development actor clammed up when Smartless cohost Jason Bateman brought up Arnett's ex-wife and their bathroom habits. — Marina Watts, Entertainment Weekly, 22 June 2026 The atmosphere had changed—security kept an eye out for media to turn away at the entrance, and golfers clammed up when asked what was going on at the club. — Dan Alexander, Forbes.com, 18 May 2026 Everyone in the theater clammed up, as if embarrassed to have endorsed Max with laughter. — Jackson McHenry, Vulture, 29 Apr. 2026 But when co-host Maria McErlane looked for details, Norton clammed up. — Joseph Wilkinson, Mercury News, 28 Jan. 2026 The famously outgoing media personality clammed up, on air and off, thanks to a terrifying stranger. — Ross Raihala, Twin Cities, 7 Dec. 2025

Recent Examples of Synonyms for clammed up

Verb

Hans Op de Beeck’s first dalliance with a luxury house feels a lot like his art — hushed, contemplative, and slightly under the radar.

— Miles Socha, Footwear News, 24 Oct. 2026
The lounge is a real scene, especially during afternoon tea, when a perfectly coiffed crowd has hushed discussions about worldly matters.

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

Definition of hushed

Verb

Georgia Tech won its game with undefeated Duke by (ahem) shutting up and getting better during the bye week.

— Tyler Estep, AJC.com, 12 Oct. 2026
Turning paying ticket buyers into political punching bags and telling colleagues to shut up is terrible business and toxic for basketball.

— Alejandro Avila OutKick, FOXNews.com, 9 Oct. 2026

Definition of shut up

Browse Nearby Words

clammed

clammed up

clamminess

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“Clammed up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/clammed%20up. Accessed 28 Oct. 2026.

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Synonyms of clammed up

verb

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