Acid and Placid
Opposite meaning words
Acid
Acid adjective - Having or showing a habitually bad temper.
Usage example: with her acid personality, my aunt could be relied upon to bring some much-needed balance to the holiday gush
Placid
Placid adjective - Free from emotional or mental agitation.
Cite this Source
Placid and Acid. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/acid/placid
Acid & Placid. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/acid/placid>.
Placid or Acid. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/acid/placid.
Google Ngram Viewer shows how "acid" and "placid" have occurred on timeline