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Thesaurus: impervious

Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air.

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admittingdefinitionpassagedefinitionairdefinitionentrancedefinitionimpassabledefinitionperviousdefinitionsubstancedefinitionwaterdefinitionabsolutelydefinitionaffecteddefinitioncapabledefinitiongulfdefinitionMacaulaydefinitionmiltondefinitionmindsdefinitionzealotsdefinitionimperviabledefinitionimpenetrabledefinitionimpermeabledefinitionnessdefinitionpathlessdefinitionimperantfamilyimperatefamilyimperativalfamilyimperativefamilyimperative formfamilyimperative moodfamilyimperative programmingfamily

Definitions

  1. a. Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air.
  2. adj. not admitting of passage or capable of being affected
  3. 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.
  4. 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.
  5. j:100 a. not admitting of passage or capable of being affected