Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “infiltrate”

See all translations

infiltrate

verb [I + adv/prep, T] uk   /ˈɪn.fɪl.treɪt/ us  
to secretly become part of a group in order to get information or to influence the way that group thinks or behaves: A journalist managed to infiltrate the powerful drug cartel. to move slowly into a substance, place, system, or organization: At about this time the new ideas about "corporate management" had begun to infiltrate (into) local government.
infiltration
noun [U] uk   /ˌɪn.fɪlˈtreɪ.ʃən/ us  
(Definition of infiltrate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of infiltrate?
Add Cambridge dictionaries to your browser to your website

Definitions of “infiltrate” in other dictionaries

Word of the Day

baby

a very young child, especially one that has not yet begun to walk or talk

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More