Clam up
Clam up verb - To stop talking.
Usage example: the little girl clammed up when the doctor came into the room
Pipe down
Pipe down verb - To stop talking.
Usage example: “Pipe down or I'll cancel recess!” the teacher commanded
Mutual synonyms
Related pairs
Cite this Source
Pipe down and Clam up. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/clam_up/pipe_down
Clam up & Pipe down. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/clam_up/pipe_down>.
Pipe down or Clam up. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/clam_up/pipe_down.
Google Ngram Viewer shows how "clam up" and "pipe down" have occurred on timeline