impervious

== English == === Etymology === From Latin impervius (“that cannot be passed through”), from in- (“not”) + pervius (“letting things through”). === Pronunciation === (Received Pronunciation) IPA(key): /ɪmˈpɜːvi.əs/ (General American) IPA(key): /ɪmˈpɝ.vi.əs/ Rhymes: -ɜː(ɹ)viəs === Adjective === impervious (comparative more impervious, superlative most impervious) Unaffected or unable to be affected by something. Preventive of any penetration; impenetrable, impermeable, particularly of water. Immune to damage or effect. ==== Antonyms ==== pervious ==== Derived terms ==== ==== Translations ====