Bedeutung von “impervious” — Learner’s Dictionary

impervious

adjective us uk /ɪmˈpɜːviəs/
EFFECT

not affected by something:

She was impervious to the pain.
LIQUID formal

Impervious material does not let liquid into or through it:

impervious rock

(Definition von “impervious” aus dem Cambridge Learner's Dictionary © Cambridge University Press)