Close
Close adjective - Having little space between items or parts.
Usage example: the soldiers marched in close formation against the enemy
Impervious and close are semantically related. In some cases you can use "Impervious" instead an adjective "Close".
Impervious
Impervious adjective - Not allowing penetration (as by gas, liquid, or light).
Usage example: the material for this coat is supposed to be impervious to rain
Close and impervious are semantically related. Sometimes you can use "Close" instead an adjective "Impervious".
Nearby Word: imperviously
Both words in one sentence
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It is completely impervious to gunfire, and getting close to it at all is instant death.
Source: Video Game / Alien: Isolation -
While intangible (or close to it), he can fly, and at his most dense, he is almost impervious to damage.
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Jaws seemed completely impervious to any kind of injury at all, which honestly makes you wonder why Bond ever tried to take him in close combat after the first time.
Source: Punch! Punch! Punch! Uh Oh...
Cite this Source
Impervious and Close. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/close/impervious
Close & Impervious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/close/impervious>.
Impervious or Close. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/close/impervious.
Google Ngram Viewer shows how "close" and "impervious" have occurred on timeline