Buttoned up
Clam up and buttoned up are semantically related. in keep silent topic. In some cases you can use "Clam up" instead a verb "Buttoned up".
Clam up
Clam up verb - To stop talking.
Buttoned up and clam up are semantically related. You can use "Buttoned up" instead a verb "Clam up".
Cite this Source
Clam up and Buttoned up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/buttoned_up/clam_up
Buttoned up & Clam up. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/buttoned_up/clam_up>.
Clam up or Buttoned up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/buttoned_up/clam_up.
Google Ngram Viewer shows how "buttoned up" and "clam up" have occurred on timeline