Acronyms dictionary ATF What does ATF mean? ATF is an acronym standing for the Bureau of Alcohol, Tobacco, and Firearms, a United States law enforcement agency. On the internet it is used for all time favorite. Related words: TSA fav problematic fave mac-10 Examples of ATF Duet is one of my ATF episodes of any #StarTrek series. #DS9 @blksuprman, June, 2018 Police and other law enforcement agencies seized about 2,200 guns last year in the city, of which 13 percent were connected to crimes using data in ATF’s National Integrated Ballistic Information Network. Clarence Williams, The Washington Post, May, 2018 The ATF had previously ruled that it did not have the authority to regulate them or other similar devices, because they are not technically “machine guns,” defined under federal law as firearms that shoot more than one shot per pull of the trigger. Nick Wing, The Huffington Post, October, 2017 SEE MORE EXAMPLES Who uses ATF? The Trace Just Added pushing P, Baader-Meinhof phenomenon, trigger law, bystander effect, CSI effect Note This is not meant to be a formal definition of ATF like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of ATF that will help our users expand their word mastery.