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infiltrate

[ in-fil-treyt, in-fil-treyt ]
/ 瑟n藞f瑟l tre瑟t, 藞瑟n f瑟l藢tre瑟t /
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See synonyms for: infiltrate / infiltrated / infiltrating / infiltrator on Thesaurus.com

verb (used with object), in路fil路trat路ed, in路fil路trat路ing.
verb (used without object), in路fil路trat路ed, in路fil路trat路ing.
to pass into or through a substance, place, etc., by or as by filtering.
Pathology. to penetrate tissue spaces or cells.
noun
something that infiltrates.
Pathology. any substance penetrating tissues or cells and forming a morbid accumulation.
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Origin of infiltrate

First recorded in 1750鈥60; in-2 + filtrate

OTHER WORDS FROM infiltrate

in路fil路tra路tive [in-fil-trey-tiv, in-fil-truh-], /藞瑟n f瑟l藢tre瑟 t瑟v, 瑟n藞f瑟l tr蓹-/, adjectivein路fil路tra路tor [in-fil-trey-ter, in-fil-trey-], /藞瑟n f瑟l藢tre瑟 t蓹r, 瑟n藞f瑟l tre瑟-/, nounre路in路fil路trate, verb, re路in路fil路trat路ed, re路in路fil路trat路ing.un路in路fil路trat路ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2023

How to use infiltrate in a sentence

British Dictionary definitions for infiltrate

infiltrate
/ (藞瑟nf瑟l藢tre瑟t) /

verb
to undergo or cause to undergo the process in which a fluid passes into the pores or interstices of a solid; permeate
military to pass undetected through (an enemy-held line or position)
to gain or cause to gain entrance or access surreptitiouslythey infiltrated the party structure
noun
something that infiltrates
pathol any substance that passes into and accumulates within cells, tissues, or organs
pathol a local anaesthetic solution injected into the tissues to cause local anaesthesia

Derived forms of infiltrate

infiltration, nouninfiltrative, adjectiveinfiltrator, noun

Word Origin for infiltrate

C18: from in- 虏 + filtrate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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