Per·vade v. t. [imp. & p. p. Pervaded; p. pr. & vb. n. Pervading.]
  1. To pass or flow through, as an aperture, pore, or interstice; to permeate.
     That labyrinth is easily pervaded.   --Blackstone.
  2. To pass or spread through the whole extent of; to be diffused throughout.
     A spirit of cabal, intrigue, and proselytism pervaded all their thoughts, words, and actions.   --Burke.
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  pervading
       adj : spread throughout; "a pervasive anxiety overshadows the
             triumphs of individuals" [syn: pervasive]