Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “G-man”


noun [C]     /ˈdʒiː.mæn/ (plural -men   /-men/   ) US slang
a government official in the US, especially one who works for the FBIPeople who work for the police serviceUnited States politics and government
(Definition of G-man noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of G-man

Browse related topics

You are looking at an entry to do with People who work for the police service, but you might be interested in these topics from the Law and the police topic area:

Word of the Day


a document given to students or reporters which contains information about a particular subject

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More