Definition of police informer in English:

police informer

noun

  • A person who gives police information about crimes and offenders.

    • ‘The applicants compare the situation to that of the police informers.’
    • ‘And he confessed that he'd been involved in the murder of this individual, who was apparently a police informer of some sort.’
    • ‘Those orders are perfectly normal orders to protect the names of police informers and persons of a similar kind.’
    • ‘I enclose a summary of his paid activities as a police informer.’
    • ‘Rather than protest or opposition, this discontent gave rise to a sense of apathy and resignation, a situation that was vividly described in the report of a police informer in January 1939.’