Impassive and Responsive

Impassive

Impassive adjective - Not feeling or showing emotion.
Usage example: she remained impassive as the officers informed her of her son's death

Responsive is an antonym for impassive in aloof topic.

Responsive

Responsive adjective - Reacting to a stimulus.

Impassive is an antonym for responsive in topics: sensitive, quick to react.

Cite this Source
Responsive and Impassive. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/impassive/responsive
Impassive & Responsive. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/impassive/responsive>.
Responsive or Impassive. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/impassive/responsive.
Google Ngram Viewer shows how "impassive" and "responsive" have occurred on timeline