Cover up
Cover up verb - To keep from being publicly known.
Clam up
Clam up verb - To stop talking.
Mutual synonyms
Related pairs
Cite this Source
Clam up and Cover up. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/cover_up/clam_up
Cover up & Clam up. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/cover_up/clam_up>.
Clam up or Cover up. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/cover_up/clam_up.
Google Ngram Viewer shows how "cover up" and "clam up" have occurred on timeline