Impervious, it follows, describes things that don’t allow a way through something, whether literally (as in “asphalt, concrete, and other surfaces that are impervious to rain”) or figuratively (as in “impervious …

IMPERVIOUS definition: not permitting penetration or passage; impenetrable. See examples of impervious used in a sentence.

impervious adjective (PERSON) If someone is impervious to something,they are not influenced or affected by something:

1. not permitting penetration or passage: The pelt is impervious to rain. 2. incapable of being injured or impaired: impervious to wear and tear. 3. incapable of being influenced or affected: impervious to …

Definition of impervious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Dec 14, 2025 · Adjective impervious (comparative more impervious, superlative most impervious) Unaffected or unable to be affected by something.

incapable of being injured or impaired: impervious to wear and tear. incapable of being influenced, persuaded, or affected: impervious to reason; impervious to another's suffering.