'Impervious' definitions:
Definition of 'impervious'
(from WordNet)
adjective
Not admitting of passage or capable of being affected; "a material impervious to water"; "someone impervious to argument" [syn: impervious, imperviable] [ant: pervious]
Definition of 'Impervious'
From: GCIDE
- 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]
Synonyms of 'impervious'
From: Moby Thesaurus
- airtight,
- ballproof,
- beyond reach,
- bombproof,
- bulletproof,
- burglarproof,
- callous,
- calloused,
- case-hardened,
- closed forever to,
- closed to,
- corrosionproof,
- dampproof,
- fire-resisting,
- fireproof,
- flameproof,
- flinty,
- foolproof,
- hard,
- hardened,
- hardhearted,
- hermetic,
- holeproof,
- impassable,
- impenetrable,
- impermeable,
- impersuadable,
- impersuasible,
- impervious to,
- inaccessible,
- indurated,
- inflexible,
- insensitive,
- inured,
- leakproof,
- lost to,
- noiseproof,
- nonpuncturable,
- obstinate,
- out of reach,
- pachydermatous,
- Philistine,
- proof,
- proof against,
- punctureproof,
- resistant,
- rustproof,
- shatterproof,
- shellproof,
- soundproof,
- steeled against,
- steely,
- stony,
- thick-skinned,
- tight,
- un-come-at-able,
- unaccessible,
- unamenable,
- unapproachable,
- unattainable,
- unavailable,
- undiscoverable,
- ungettable,
- unimpressionable,
- uninfluenceable,
- unmovable,
- unobtainable,
- unpassable,
- unperforable,
- unpersuadable,
- unpierceable,
- unpliable,
- unprocurable,
- unreachable,
- unreceptive,
- unresponsive,
- unsecurable,
- unsuggestible,
- unsusceptible,
- unswayable,
- unyielding,
- watertight,
- weatherproof