IMPERVIOUS
Dictionary entry overview: What does impervious mean?
• IMPERVIOUS (adjective)
The adjective IMPERVIOUS has 1 sense:
1. not admitting of passage or capable of being affected
Familiarity information: IMPERVIOUS used as an adjective is very rare.
Dictionary entry details
• IMPERVIOUS (adjective)
Meaning:
Not admitting of passage or capable of being affected
Synonyms:
imperviable; impervious
Context examples:
a material impervious to water / someone impervious to argument
Similar:
soundproof (impervious to, or not penetrable by, sound)
ladder-proof; run-resistant; runproof ((of hosiery) resistant to runs or (in Britain) ladders)
rot-resistant (resistant to rotting)
corrosion-resistant (impervious to corrosion)
resistant (impervious to being affected)
proof ((used in combination or as a suffix) able to withstand)
moth-resistant; mothproof (resistant to damage by moths)
greaseproof (resistant to penetration by grease or oil or wax)
colorfast (having color that is resistant to fading or running)
acid-fast (not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis))
fast (resistant to destruction or fading)
Also:
impermeable (preventing especially liquids to pass or diffuse through)
Antonym:
pervious (admitting of passage or entrance)
