Clam up
Clam up verb - To stop talking.
Vellicate
Vellicate verb - Touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements.
Cite this Source
Vellicate and Clam up. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/clam_up/vellicate
Clam up & Vellicate. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/clam_up/vellicate>.
Vellicate or Clam up. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/clam_up/vellicate.
Google Ngram Viewer shows how "clam up" and "vellicate" have occurred on timeline