Clammed up
Clam up and clammed up are semantically related. in calm topic. In some cases you can use "Clam up" instead a verb "Clammed up", when it comes to topics like prevent, silence, keep back, keep silent.
Clam up
Clam up verb - To stop talking.
Clammed up and clam up are semantically related. Sometimes you can use "Clammed up" instead a verb "Clam up".
Mutual synonyms
Related pairs
Cite this Source
Clam up and Clammed up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/clammed_up/clam_up
Clammed up & Clam up. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/clammed_up/clam_up>.
Clam up or Clammed up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/clammed_up/clam_up.
Google Ngram Viewer shows how "clammed up" and "clam up" have occurred on timeline