Impervious Im*per"vi*ous, a. [L. impervius; pref. im- not + per through + via way. See {Voyage}.] Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air. [1913 Webster]

This gulf impassable, impervious. --Milton. [1913 Webster]

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. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • impervious — I adjective adrogans, airtight, blind to, blocked, buffered, callous, closed, deaf to, dense, detached, hard, hard to convince, hardened, hermetic, impassable, impassive, impeditus, impenetrabilis, impenetrable, imperforate, impehosus,… …   Law dictionary

  • impervious — [im pʉr′vē əs] adj. [L impervius: see IN 2 & PERVIOUS] 1. incapable of being passed through or penetrated [a fabric impervious to moisture] 2. not affected by: with to [impervious to pity] imperviously adv. imperviousness n …   English World dictionary

  • impervious — ► ADJECTIVE 1) not allowing fluid to pass through. 2) (impervious to) unable to be affected by. DERIVATIVES imperviously adverb imperviousness noun …   English terms dictionary

  • impervious — (adj.) 1640s, from L. impervius that cannot be passed through, from assimilated form of in not, opposite of (see IN (Cf. in ) (1)) + pervius letting things through, from per through + via road. Related: Imperviously; imperviousness …   Etymology dictionary

  • impervious — impenetrable, impermeable, impassable Analogous words: resisting or resistant, withstanding, opposing, com bating, fighting (see corresponding verbs at RESIST): *hardened, indurated, callous: obdurate, adamant, adamantine, inflexible Contrasted… …   New Dictionary of Synonyms

  • impervious — [adj] unable to be penetrated closed to, hermetic, immune, impassable, impassive, impenetrable, impermeable, imperviable, inaccessible, invulnerable, resistant, sealed, tight, unaffected, unapproachable, unmoved, unpierceable, unreceptive,… …   New thesaurus

  • impervious — [[t]ɪmpɜ͟ː(r)viəs[/t]] 1) ADJ GRADED: usu v link ADJ, usu ADJ to n If you are impervious to someone s actions, you are not affected or influenced by them. She seems almost impervious to the criticism from all sides... The political system there… …   English dictionary

  • impervious — im|per|vi|ous [ımˈpə:viəs US ə:r ] adj [not before noun] [Date: 1600 1700; : Latin; Origin: impervius, from pervius allowing things to pass through , from per through + via way ] 1.) formal not affected or influenced by something and seeming not… …   Dictionary of contemporary English

  • impervious — imperviously, adv. imperviousness, n. /im perr vee euhs/, adj. 1. not permitting penetration or passage; impenetrable: The coat is impervious to rain. 2. incapable of being injured or impaired: impervious to wear and tear. 3. incapable of being… …   Universalium

  • impervious — adj. impervious to (impervious to criticism) * * * [ɪm pɜːvɪəs] impervious to (impervious to criticism) …   Combinatory dictionary

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