Simmer down and Upset
Opposite meaning terms
Simmer down
Simmer down verb - Become quiet or calm, especially after a state of agitation.
Upset
Upset verb - To trouble the mind of; to make uneasy.
Simmer down is an antonym for upset.
Nearby Word: upsetting
Cite this Source
Upset and Simmer down. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/simmer_down/upset
Simmer down & Upset. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/simmer_down/upset>.
Upset or Simmer down. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/simmer_down/upset.
Google Ngram Viewer shows how "simmer down" and "upset" have occurred on timeline