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  /ɪnˈfɪlˌtreɪt, ˈɪn·fɪl-/ us  

infiltrate verb (JOIN SECRETLY)

infiltrate verb (ENTER GROUND)

earth science [I] (of water) to flow slowly down into the earth from the earth's surface, for example, through cracks in rocks
infiltration
noun [U]  /ˌɪn·fɪlˈtreɪ·ʃən/ earth science us  
(Definition of infiltrate from the Cambridge Academic Content Dictionary © 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

ellipsis

a situation in which words are left out of a sentence but the sentence can still be understood

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More