clam up

verb

Definition of clam up

intransitive verb
: to become silent
  • clammed up and refused to talk

Examples of clam up in a Sentence

  1. the little girl clammed up when the doctor came into the room

First Known Use of clam up

1916

clam up Synonyms

Synonyms
belt up [British], shut up, dry up, dummy up, hush, pipe down, quiet (down)
Antonyms
speak, talk
Related Words
calm (down), cool (down), settle (down); haw, hem
Near Antonyms
pipe up, sound off, speak out, speak up, spout (off), talk up


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