Clam up
Clam up verb - To stop talking.
Tie down
Tie down verb - Secure with or as if with ropes.
Mutual synonyms
Cite this Source
Tie down and Clam up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/clam_up/tie_down
Clam up & Tie down. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/clam_up/tie_down>.
Tie down or Clam up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/clam_up/tie_down.
Google Ngram Viewer shows how "clam up" and "tie down" have occurred on timeline