Pronunciation: /ɪnˈfɔːrmər/
noun a person who provides information to the authorities about someone else's illegal or criminal activities
A1 The informer told the police about the robbery.
A2 The informer provided valuable information to the authorities.
B1 The informer's identity was kept confidential for their safety.
B2 The informer's testimony led to the arrest of the criminal.
C1 The informer played a crucial role in dismantling the drug cartel.
C2 The informer's cooperation with law enforcement helped solve multiple cases.
formal The informer provided crucial information to the authorities.
informal The informer spilled the beans to the cops.
slang The snitch ratted out his friends to save himself.
figurative The informer acted as a beacon of light in the dark world of crime.
informed
informers
more informative
most informative
informs
will inform
has informed
is informing
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informed