Word.ws English Dictionary

clammed up

clammed up is the simple past and past participle of clam up.

Meaning of clam up

Verb

clam up (third-person singular simple present clams up, present participle clamming up, simple past and past participle clammed up)

  1. (informal, intransitive) To become silent; to stop talking.
    • Maybe he … or she … was a witness who refused to clam up … a whistle blower …1986, Paul Chadwick, Concrete: Under the Desert Stars, Dark Horse Books
  2. (ambitransitive) To make or become clammy.

Questions about clammed up

What is clammed up the simple past and past participle of?
Clammed up is the simple past and past participle of clam up.

Words near clammed up in the dictionary

  1. clamjamphrie
  2. clamjamphries
  3. clamless
  4. clamlike
  5. clammed
  6. clammed up
  7. clammer
  8. clammered
  9. clammering
  10. clammers
  11. clammersome

Source and license

Adapted from Wiktionary: clammed up (page history and authors); clam up (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “clammed up.” Word.ws, https://word.ws/clammed_up. Based on Wiktionary, CC BY-SA 4.0.