Active and Unreactive

Active

Active adjective - Being in effective operation.

Unreactive is an antonym for active.

Unreactive

Unreactive adjective - (chemistry) not reacting chemically.

Active is an antonym for unreactive in lifeless topic.
Cite this Source
Unreactive and Active. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/active/unreactive
Active & Unreactive. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/active/unreactive>.
Unreactive or Active. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/active/unreactive.
Google Ngram Viewer shows how "active" and "unreactive" have occurred on timeline