Box up and Clam up

Box up

Box up verb - Enclose or confine as if in a box.

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

Clam up

Clam up verb - To stop talking.

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