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Synonyms of impervious

Adjective


1. impervious (vs. pervious), imperviable, fast, acid-fast, colorfast, greaseproof, mothproof, moth-resistant, proof(predicate), resistant, corrosion-resistant, rot-resistant, runproof, ladder-proof, run-resistant, soundproof, impermeable

usage: not admitting of passage or capable of being affected; "a material impervious to water"; "someone impervious to argument"

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See also: impervious (Dictionary)