Placid and Refractory

Placid

Placid adjective - Free from emotional or mental agitation.

Refractory is an antonym for placid.

Nearby Words: placidity, placidly

Refractory

Refractory adjective - Given to resisting authority or another's control.

Placid is an antonym for refractory.

Cite this Source
Refractory and Placid. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/placid/refractory
Placid & Refractory. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/placid/refractory>.
Refractory or Placid. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/placid/refractory.
Google Ngram Viewer shows how "placid" and "refractory" have occurred on timeline