bro

noun

ˈbrō 

plural bros

1

informal : brother

… Tommy has a worldview that's larger than his baby bro's.

—Leah Rozen

2

US slang

a

: a male friend

hanging out with his bros

One quirky edge the Olympics haven't yet sanded away is the habit of extreme athletes to stick together. Like, no matter where we're from, we're all bros. That kind of thing.

—Devin Gordon et al.

b

—used as a friendly way of addressing a man or boy

Hey, bro, what's up?

Catch you later, bro.

c

: a young male who is part of a group of similar male friends stereotypically characterized as hearty, athletic, self-confident, party-loving, etc.

The recent season of "Project Greenlight," on HBO, made explicit how resistant to race talk Hollywood can be, a stifling culture of bros bonding with mirror versions of themselves.

—Emily Nussbaum

These were nerds who could pass for bros on a dorm-room sofa …

—Ben McGrath

—often used before another noun

It's the continuation of the bro culture. In my experience, in this world right now, white guys have an advantage. In their training, they've been given access and tools that I haven't. White men get behind each other and empower themselves.

—Tanya Holland

Examples of bro in a Sentence

Recent Examples on the Web

The 36-year-old musician is almost as busy as Bunny, with a stop on his Jonas20 Greetings From Your Hometown tour in Sunrise with his bros Friday night. —Madeleine Marr, Miami Herald, 24 Oct. 2025

Good on them for taking advantage of their opportunities to ask Mel the tough questions, while the men were all bro-ing out with the former NFL player! —Kristen Baldwin, Entertainment Weekly, 23 Oct. 2025

The Prometheus story as interpreted in this alt-right, tech bro fantasy isn’t the only reading of the myth, of course. —James Folta, Literary Hub, 22 Oct. 2025

Next up is Royd (Tanoai Reed), a hulking tech guy with a chill bro Samoan vibe. —Christopher Cruz, Rolling Stone, 22 Oct. 2025

Word History

Etymology

by alteration

First Known Use

circa 1530, in the meaning defined at sense 1

Phrases Containing bro

• bro-ey

Rhymes for bro

• beau
• beaux
• blow
• boe
• coe
• crow
• doe
• doh
• dough
• eau
• eaux
• faux

Kids Definition

bro

noun

ˈbrō 

1

informal : brother sense 1

2

slang : brother sense 3