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 nounEric Konigsbergfrat houses/brothers
(often disparaging) a frat boy [=a member of a fraternity]
Examples of frat in a Sentence
Recent Examples on the Web
In a statement to Fox News Digital, a UA spokesperson confirmed the investigations being conducted into the three frats.
—Julia Bonavita , Stepheny Price, FOXNews.com, 28 Apr. 2026
In the morning, I would be woken by music emanating from the frat house down the block.
—Saïd Sayrafiezadeh, New Yorker, 26 Apr. 2026
Weekend 1 is all the influencers and like the frat bros.
—Andrea Domanick, Los Angeles Times, 22 Apr. 2026
Rules of engagement make the American military stronger, no matter what the frat boys might tell you.
—Arkansas Online, 14 Mar. 2026
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Julia Bonavita , Stepheny Price, FOXNews.com, 28 Apr. 2026
In the morning, I would be woken by music emanating from the frat house down the block.
—Saïd Sayrafiezadeh, New Yorker, 26 Apr. 2026
Weekend 1 is all the influencers and like the frat bros.
—Andrea Domanick, Los Angeles Times, 22 Apr. 2026
Rules of engagement make the American military stronger, no matter what the frat boys might tell you.
—Arkansas Online, 14 Mar. 2026
See All Example Sentences for frat
Cite this Entry
“Frat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frat. Accessed 2 May. 2026.
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