Clam up
Clam up verb - To stop talking.
Cover up
Cover up verb - To keep from being publicly known.
Mutual synonyms
Related pairs
Cite this Source
Cover up and Clam up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/clam_up/cover_up
Clam up & Cover up. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/clam_up/cover_up>.
Cover up or Clam up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/clam_up/cover_up.
Google Ngram Viewer shows how "clam up" and "cover up" have occurred on timeline