impervious

not allowing to pass through (of materials) 
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impervious

[adj] - not admitting of passage or capable of being affected
Found on http://www.webdictionary.co.uk/definition.php?query=impervious

Impervious

is a term used to describe materials which resist the passage of water.
Found on http://www.encyclo.co.uk/local/20570

Impervious

Im·per'vi·ous adjective [ Latin impervius ; prefix 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. « This gulf impassable, impervious .�...
Found on http://www.encyclo.co.uk/webster/I/19

impervious

Synonym for impermeable ... Not permeable; not permitting the passage of substances (e.g., liquids, gases) or heat through a membrane or other structure. ... Synonym: impervious. ... Origin: L. Im-permeabilis, not to be passed through ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

impervious

imperviable adjective not admitting of passage or capable of being affected; `a material impervious to water`; `someone impervious to argument`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=impervious

Impervious

• (a.) Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air.
Found on http://thinkexist.com/dictionary/meaning/impervious/

Impervious

Soil that has become tightly packed because of foot traffic, construction etc.
Found on https://www.homeadvisor.com/r/landscaping-terminology/

impervious

Type: Term Pronunciation: im-per′vē-ŭs Synonyms: impermeable
Found on http://www.medilexicon.com/medicaldictionary.php?t=43802

impervious

not admitting of passage or capable of being affected
Found on https://www.vocabulary.com/lists/388679

impervious

not admitting of passage or capable of being affected
Found on https://www.vocabulary.com/lists/260489

impervious

not affected by something or not feeling the effects of something.
Found on https://www.cliffsnotes.com/literature/l/lord-of-the-flies/study-help/full-

impervious

not admitting of passage or capable of being affected
Found on https://www.vocabulary.com/lists/932902
No exact match found