Clam up and Perpend

Clam up

Clam up verb - To stop talking.

Perpend and clam up are semantically related. In some cases you can use "Perpend" instead a verb "Clam up".

Perpend

Perpend verb - To give serious and careful thought to.

Clam up and perpend are semantically related. Sometimes you can use "Clam up" instead a verb "Perpend".
Cite this Source
Perpend and Clam up. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/clam_up/perpend
Clam up & Perpend. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/clam_up/perpend>.
Perpend or Clam up. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/clam_up/perpend.
Google Ngram Viewer shows how "clam up" and "perpend" have occurred on timeline