The Collaborative International Dictionary
Infiltrate \In*fil"trate\, v. i. [imp. & p. p. Infiltrated; p. pr. & vb. n. Infiltrating.] [Pref. in- + filtrate: cf. F, s'infiltrer. Cf. Infilter.]
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To enter by penetrating the pores or interstices of a substance; to filter into or through something.
The water infiltrates through the porous rock.
--Addison. 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.
Wiktionary
vb. (present participle of infiltrate English)
Usage examples of "infiltrating".
Mere hours could make a colossal difference if the possessed were to be prevented from infiltrating unsuspecting worlds.
If it was another agency that discovered we were infiltrating the asteroid, they would release a tailored virus to kill the spiders.
So what kind of threat are we facing from the possessed infiltrating us?
And the surviving Mosdva in spacesuits are still infiltrating the knot on the darkside.
The regiment moved out in thin streams, infiltrating weak spots, bypassing strong, until it had cleared a large area outside the Palace again.
The telephone exchange taken by infiltrating scouts, the power plant almost unguarded and falling to three minutes' brief combat—it was all luck you could count on with good men, but it was luck.
Since the weather has warmed, the bacteria has awoken and multiplied explosively, infiltrating every portion of our ship.
Something was infiltrating her bloodstream, something soft as a cloud and warm as sunshine, floating her away to the Isles of the Blest—bless—bliss—Blissto!
At first, her parents thought she had gotten hold of some of the LSD which was known to be infiltrating the local grammar school and, being fairly hip, they fed her niacin and horse doctor's doses of vitamin C as she ran about the house alternately laughing and making faces at them, howling about "he's laying in his own piss" and "he's still alive inside it" and "Roderick Usher.
For weeks afterward he wondered if the Illuminati had some sinister reason for infiltrating the toilet-paper industry, or if the whole experience were a genuine hallucination and the first sign, as he put it, "that this fucking dope is ruining my fucking head.
After all, the Satanist's motive in infiltrating the church, in the old days, was to disgrace the institution thought to represent God on earth.
While they were a worldwide conspiracy infiltrating every other organization, you were infiltrating them.
For weeks afterward he wondered if the Illuminati had some sinister reason for infiltrating the toilet paper industry, or if the whole experience were a genuine hallucination and the first sign, as he put it, "that this fucking dope is ruining my fucking head.
We both know how constant a watch we must keep to prevent traitors from infiltrating our forces .
They were infiltrating the "system," a possibility they'd never considered.