AskDefine | Define infiltrate

Dictionary Definition



1 cause (a liquid) to enter by penetrating the interstices
2 enter a group or organization in order to spy on the members; "The student organization was infiltrated by a traitor" [syn: penetrate]
3 pass into or through by filtering or permeating; "the substance infiltrated the material"
4 pass through an enemy-line; in a military conflict [syn: pass through]

User Contributed Dictionary




  1. To surreptitiously penetrate, enter or gain access.
  2. To cause a fluid to pass through a substance by filtration.
  3. To send soldiers through gaps in the enemy line.


To surreptitiously penetrate, enter or gain access
To cause a fluid to pass through a substance by filtration
To send soldiers through gaps in the enemy line



  1. Form of Second-person plural imperative, infiltrare#Italian|infiltrare

Extensive Definition

Infiltration may refer to:
infiltrate in German: Infiltration
infiltrate in French: Infiltration

Synonyms, Antonyms and Related Words

absorb, adsorb, advance against, advance upon, assimilate, barge in, bathe, bear down upon, besprinkle, blot, blot up, break in, break in upon, breathe, brew, burst in, butt in, charge in, chemisorb, chemosorb, color, come between, counterattack, crash, crash in, crash the gates, creep in, crowd in, cut in, decoct, digest, douche, dredge, drench, drink, drink in, drink up, drive, drouk, dye, edge in, elbow in, encroach, engross, entincture, entrench, filter in, flank, flavor, flush, foist, foist in, gas, horn in, imbibe, imbrue, imbue, impinge, impose, impose on, impose upon, impregnate, infringe, infuse, inject, insinuate, instill, interfere, interlope, interpose, intervene, intrude, invade, irrupt, launch an attack, lave, leach, leak in, leaven, lixiviate, macerate, march against, march upon, mount an attack, obtrude, open an offensive, osmose, penetrate, percolate, percolate in, percolate into, permeate, pervade, press in, push, push in, put on, put upon, rinse, rush in, saturate, season, seep in, seethe, slink in, slip in, slurp up, smash in, sneak in, soak, soak in, soak up, sodden, sop, sorb, souse, sponge, squeeze in, steal in, steep, storm in, strike, suffuse, swill up, take in, take up, temper, throng in, thrust, thrust in, tincture, tinge, transfuse, trench, trespass, wash, waterlog, work in, worm, worm in
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