1-Stop Dictionary Reference

Infiltrate

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition

v. To pass (troops, for example) surreptitiously into enemy-held territory.

v. To penetrate with hostile intent: infiltrate enemy lines; terrorists that had infiltrated the country.

v. To enter or take up positions in gradually or surreptitiously, as for purposes of espionage or takeover: infiltrated key government agencies with spies.

v. To cause (a liquid, for example) to permeate a substance by passing through its interstices or pores.

v. To permeate (a porous substance) with a liquid or gas.

verb-intransitive. To gain entrance gradually or surreptitiously.

n. One that infiltrates, especially an abnormal substance that accumulates gradually in cells or body tissues.

Wiktionary, Creative Commons Attribution/Share-Alike License

v. To surreptitiously penetrate, enter or gain access.

v. To cause a fluid to pass through a substance by filtration.

v. To send soldiers through gaps in the enemy line.

v. To move from a vein, remaining in the body.

the GNU version of the Collaborative International Dictionary of English

verb-intransitive. To enter by penetrating the pores or interstices of a substance; to filter into or through something.

verb-intransitive. To enter secretly (into an organization, territory, etc.) for hostile purposes, such as spying or sabotage; ; also used transitively.

v. To penetrate gradually; -- sometimes used reflexively.

The Century Dictionary and Cyclopedia

To pass by filtration; percolate through pores or interstices.

To pass into or through the pores or interstices of; filter into or through.

n. That which infiltrates; specifically, in pathology, the substance which passes into the tissues to form a morbid accumulation, as the fat of fatty infiltration.

WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

v. pass through an enemy line; in a military conflict

v. enter a group or organization in order to spy on the members

v. cause (a liquid) to enter by penetrating the interstices

v. pass into or through by filtering or permeating

Word Usage

"This first episode picks up where "Half-Life 2" ended: the towering alien fortress you and female friend Alyx managed to infiltrate is about to blow in a very big way."

Verb Form

infiltrated infiltrates infiltrating

Hypernym

Words that are more generic or abstract

go across go through pass get together join

Form

infiltrated infiltrating infiltrative infiltration infiltrator

Synonym

Words with the same meaning

exude pervade