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G-man

American  
[jee-man] / ˈdʒiˌmæn /

noun

plural

G-men
  1. an agent for the FBI.


G-man British  

noun

  1. slang an FBI agent

  2. a political detective

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of G-man

First recorded in 1920–25; probably representing Government man

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Sad to say, Ness peaked in his 20s, and Prohibition’s star G-man never recovered from the intoxicating effects of fame.

From Washington Post

“It’s something that stands still, stands strong, stands for a long time. And that’s exactly what G-man embodies.”

From Los Angeles Times

“I don’t think you’re a big master spy,” the G-man confides to Winner at one point.

From Washington Post

A G-man joins the district attorney’s office and busts a racketeer.

From Los Angeles Times

It was the death of the deus ex machina — the hope that a G-man of mythic abilities would decisively intervene on the side of good and save the honor of the country.

From Washington Post