Clam up and Speak out
Opposite meaning terms
Clam up
Clam up verb - To stop talking.
Usage example: the little girl clammed up when the doctor came into the room
Speak out
Speak out verb - To voice one's opinions freely with force.
Usage example: it's a free country, so anyone can speak out
Cite this Source
Speak out and Clam up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/clam_up/speak_out
Clam up & Speak out. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/clam_up/speak_out>.
Speak out or Clam up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/clam_up/speak_out.
Google Ngram Viewer shows how "clam up" and "speak out" have occurred on timeline