infiltrate Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “infiltrate” in the English Dictionary

"infiltrate" in British English

See all translations

infiltrateverb [I + adv/prep, T]

uk   us   /ˈɪn.fɪl.treɪt/
infiltration
noun [U] uk   us   /ˌɪn.fɪlˈtreɪ.ʃən/
(Definition of infiltrate from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"infiltrate" in American English

See all translations

infiltrateverb

 us   /ɪnˈfɪlˌtreɪt, ˈɪn·fɪl-/
  • infiltrate verb (JOIN SECRETLY)

[I/T] to ​become a ​member of a ​group or ​organization to ​secretlygatherinformation about ​itsactivities
  • infiltrate verb (ENTER GROUND)

earth science [I] (of ​water) to ​flowslowly down into the ​earth from the earth's ​surface, for ​example, through ​cracks in ​rocks
infiltration
noun [U]  us   /ˌɪn·fɪlˈtreɪ·ʃən/ earth science
(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

“infiltrate” in British English

Word of the Day

float

a large vehicle with a flat surface that is decorated and used in festivals

Word of the Day

PLEASE DON’T SHOUT!
PLEASE DON’T SHOUT!
by Colin McIntosh,
February 09, 2016
New words are entering the language all the time. A few of these are completely new and original coinages, but the vast majority are based on the existing stock of words in some way, for example by using affixes (prefixes and suffixes). These can have the effect of changing the meaning of the

Read More 

farecasting noun
farecasting noun
February 08, 2016
predicting the optimum date to buy a plane ticket, especially on a website or using an app A handful of new and updated websites and apps are trying to perfect the art of what’s known as farecasting – predicting the best date to buy a ticket.

Read More