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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 im·per·vi·ous /(ˌ)ɪmˈpɚ/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 im·per·vi·ous /(ˈ)ɪmˈpɝvɪəs/ 形容詞

From: Webster's Revised Unabridged Dictionary (1913)

 Im·per·vi·ous a.  Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air.
    This gulf impassable, impervious.   --Milton.
    The minds of these zealots were absolutely impervious.   --Macaulay.
 Syn: -- Impassable; pathless; impenetrable; imperviable; impermeable.
 -- Im*per*vi*ous*ly, adv. -- Im*per*vi*ous*ness, n.

From: WordNet (r) 2.0

      adj : not admitting of passage or capable of being affected; "a
            material impervious to water"; "someone impervious to
            argument" [syn: imperviable] [ant: pervious]