noun
permeate, pervade, penetrate, invade; see filter 1, insinuate 2, join 2.
See infiltrate in Webster's New World Roget's A-Z Thesaurus II
To introduce gradually and slyly:
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Also Mentioned In
» attack
» comic
» commando
» enter
» espousal
» filter
» FloodNet
» gang
» inflammatory
» leukemia
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