Impassive and Impervious

Impassive

Impassive adjective - Not feeling or showing emotion.

Impervious and impassive are semantically related In some cases you can use "Impervious" instead an adjective "Impassive".

Impervious

Impervious adjective - Not allowing penetration (as by gas, liquid, or light).

Impassive and impervious are semantically related in unable to be penetrated topic. Sometimes you can use "Impassive" instead an adjective "Impervious".

Nearby Word: imperviously
Cite this Source
Impervious and Impassive. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/impassive/impervious
Impassive & Impervious. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/impassive/impervious>.
Impervious or Impassive. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/impassive/impervious.
Google Ngram Viewer shows how "impassive" and "impervious" have occurred on timeline