Clam up and Calm down

Clam up

Clam up verb - To stop talking.
Usage example: the little girl clammed up when the doctor came into the room

Calm down and clam up are semantically related. in calm topic. In some cases you can use "Calm down" instead a verb "Clam up".

Calm down

Calm down verb - To become still and orderly.

Clam up and calm down are semantically related. Sometimes you can use "Clam up" instead a verb "Calm down".
Cite this Source
Calm down and Clam up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/clam_up/calm_down
Clam up & Calm down. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/clam_up/calm_down>.
Calm down or Clam up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/clam_up/calm_down.
Google Ngram Viewer shows how "clam up" and "calm down" have occurred on timeline