frat

noun

ˈfrat 

US, informal

: fraternity sense 1c

Today's progressive notions of responsible partying and political correctness have hit hard at all eighteen of Dartmouth's frats but especially so at Alpha Delta, which has always had the reputation of being the baddest house on campus.

—Eric Konigsberg

—often used before another noun

frat houses/brothers

(often disparaging) a frat boy [=a member of a fraternity]

Examples of frat in a Sentence

Recent Examples on the Web

To his starboard side, a group of frat guys had ordered a bucket of Heinekens and were starting their Friday night early. — Taran Dugal, New Yorker, 21 Aug. 2026

The drug deals allegedly happened at frat houses or social events. — Michael Guise, CBS News, 18 Aug. 2026

Prosecutors say ringleader Agostino Abbatiello ran an upper-level trafficking operation from two off-campus frat houses, moving bulk cocaine from Philadelphia and New York into the campus party scene. — Los Angeles Times, 18 Aug. 2026

The other frat, Sigma Chi, is run independently of the university’s oversight. — Ben Brachfeld, PEOPLE, 18 Aug. 2026

Word History

First Known Use

circa 1895, in the meaning defined above

Phrases Containing frat

• frat party