Hard
Hard adjective - Having or showing a lack of sympathy or tender feelings.
Impervious and hard are semantically related. In some cases you can use "Impervious" instead an adjective "Hard".
Impervious
Impervious adjective - Impossible to get through or into.
Usage example: the rain forest is impervious to all but the most dedicated explorers
Hard and impervious are semantically related. Sometimes you can use "Hard" instead an adjective "Impervious".
Nearby Word: imperviously
Mutual synonyms
Both words in one sentence
-
Top tier soft armor will stop all but the nastiest handgun rounds, and hard armor is impervious to handguns.
Source: Bullet Proof Vest -
No matter how thick the hide, hard the chitin, or magically impervious the body, the eyes are a natural weak spot for any creature that has them.
Source: Go for the Eye -
Hard Head - "Iron Head", eldest of the Shaolin monks, gifted with a seemingly impervious cranium.
Source: Film / Shaolin Soccer
Cite this Source
Impervious and Hard. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/hard/impervious
Hard & Impervious. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/hard/impervious>.
Impervious or Hard. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/hard/impervious.
Google Ngram Viewer shows how "hard" and "impervious" have occurred on timeline