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impervious
adjective
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How to pronounce impervious:

Definition of impervious:

impervious (adjective):
not influenced by a feeling, argument, etc.
not allowing entrance or passage impenetrable
not admitting of passage or capable of being affected.

Synonyms for impervious:

acid-fast
close
closed
colorfast
compact
corrosion-resistant
dense
fast
greaseproof
immune
impenetrable
impermeable
imperviable
invulnerable
ladder-proof
moth-resistant
mothproof
proof
resistant
rot-resistant
run-resistant
runproof
soundproof
thick
tight
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