Meaning of “informer” in the English Dictionary

american-english dictionary

"informer" in British English

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informernoun [ C ]

uk /ɪnˈfɔː.mər/ us /ɪnˈfɔːr.mɚ/

a person who gives information in secret, especially to the police:

Most police informers receive a reward for their information.

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

"informer" in American English

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informernoun [ C ]

us /ɪnˈfɔr·mər/

a person who tells esp. the police about someone’s criminal activities

(Definition of “informer” from the Cambridge Academic Content Dictionary © Cambridge University Press)