Clam up
Clam up verb - To stop talking.
Mutual synonyms
Cite this Source
Silence and Clam up. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/clam_up/silence
Clam up & Silence. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/clam_up/silence>.
Silence or Clam up. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/clam_up/silence.
Google Ngram Viewer shows how "clam up" and "silence" have occurred on timeline