Definition
Someone who provides information to authorities, usually about illegal activities, often at great personal risk or for personal gain. The person in crime movies who 'knows a guy' or wears a wire to the meeting. In linguistics, a much less dramatic native speaker who helps researchers understand their language without anyone getting whacked.
Example Usage
The FBI's informant provided details about the operation in exchange for witness protection and a new identity.
Source: Law enforcement and legal terminology
Related Terms
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See “informant” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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