Definition of “infiltrator” - English Dictionary

british dictionary

“infiltrator” in British English

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infiltratornoun [ C ]

uk /ˈɪn.fɪl.treɪ.tər/ us /ˈɪn.fɪl.treɪ.t̬ɚ/

a person who secretly becomes part of a group in order to get information or to influence the way the group thinks or behaves:

The infiltrator was identified and killed.

(Definition of “infiltrator” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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