Active and Impassive

Active

Active adjective - Having much high-spirited energy and movement.
Usage example: the fish are active today, but we still haven't caught anything

Impassive is an antonym for active.

Impassive

Impassive adjective - Not expressing any emotion.
Usage example: an impassive expression on the prisoner's face as his sentence was read

Active is an antonym for impassive.

Cite this Source
Impassive and Active. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/active/impassive
Active & Impassive. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/active/impassive>.
Impassive or Active. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/active/impassive.
Google Ngram Viewer shows how "active" and "impassive" have occurred on timeline