gadfly noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of gadfly noun from the Oxford Advanced American Dictionary

gadfly

noun

NAmE//ˈɡædflaɪ//

(pl. gadflies) (usually disapproving)

a person who annoys or criticizes other people in order to make them do something The billionaire political gadfly says he is running for president.

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