Infiltrating

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Infiltrate \In*fil"trate\, v. i. [imp. & p. p. {Infiltrated}; p.
     pr. & vb. n. {Infiltrating}.] [Pref. in- + filtrate: cf. F,
     s'infiltrer. Cf. {Infilter}.]
     1. To enter by penetrating the pores or interstices of a
        substance; to filter into or through something.
        [1913 Webster]


  
              The water infiltrates through the porous rock.
                                                    --Addison.
        [1913 Webster]
  
     2. To enter secretly (into an organization, territory, etc.)
        for hostile purposes, such as spying or sabotage; as, the
        FBI infiltrated into the U. S. communist party's upper
        echelons; also used transitively; as, to infiltrate the
        opponent's organization; to infiltrate one's agents into a
        hostile country.
        [PJC]