Clammed up
Pipe down and clammed up are semantically related. in silence topic. In some cases you can use "Pipe down" instead a verb "Clammed up", when it comes to topics like make or be quiet.
Pipe down
Pipe down verb - To become still and orderly.
Clammed up and pipe down are semantically related. Sometimes you can use "Clammed up" instead a verb "Pipe down".
Mutual synonyms
Related pairs
Cite this Source
Pipe down and Clammed up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/clammed_up/pipe_down
Clammed up & Pipe down. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/clammed_up/pipe_down>.
Pipe down or Clammed up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/clammed_up/pipe_down.
Google Ngram Viewer shows how "clammed up" and "pipe down" have occurred on timeline