Clam up
Clam up verb - To stop talking.
Locking up and clam up are semantically related. In some cases you can use "Locking up" instead a verb "Clam up".
Locking up
Clam up and locking up are semantically related. Sometimes you can use "Clam up" instead a verb "Locking up".
Cite this Source
Locking up and Clam up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/clam_up/locking_up
Clam up & Locking up. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/clam_up/locking_up>.
Locking up or Clam up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/clam_up/locking_up.
Google Ngram Viewer shows how "clam up" and "locking up" have occurred on timeline