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.
Thesaurus: synonyms and related words
Faking & pretending
- a wolf in sheep's clothing idiom
- affect
- assume
- believe
- bluff
- changeling
- charlatan
- falsify
- feign
- fraud
- go through the motions idiom
- guise
- play at sth
- play possum idiom
- play sth out
- play-acting
- pose as sb
- professed
- purport
- quack
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