Antonyms of PERVIOUS

Examples of usage:

  1. But then he did not write a book, nor even give lectures; nor did he presume to know much about the huge brutes he had slain, except that they were pervious to powder and ball. "Orley Farm" by Anthony Trollope
  2. The width of the opening may be regulated so as to permit the air in the room to change without occasioning disagreeable drafts; if necessary the current may be broken by a screen of some pervious material placed in the opening. "The Prospective Mother A Handbook for Women During Pregnancy" by J. Morris Slemons
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