Effervescent and Impassive
Opposite meaning words
Effervescent
Effervescent adjective - Joyously unrestrained.
Usage example: candidates for positions on the cheerleading squad should have naturally effervescent personalities
Impassive is an antonym for effervescent.
Nearby Words: effervescence, effervescing
Impassive
Impassive adjective - Not expressing any emotion.
Usage example: an impassive expression on the prisoner's face as his sentence was read
Effervescent is an antonym for impassive.
Cite this Source
Impassive and Effervescent. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/effervescent/impassive
Effervescent & Impassive. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/effervescent/impassive>.
Impassive or Effervescent. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/effervescent/impassive.
Google Ngram Viewer shows how "effervescent" and "impassive" have occurred on timeline