# bro

> English word · Noun · IPA /bɹoʊ/ · frequency rank #3,602

## Definitions
1. Brother (a male sibling).
2. Brother (a comrade or friend; one who shares one’s ideals).
3. Brother, my man, good sir; a friendly term of address for typically men.
4. A frat boy or someone who espouses the fraternity bro culture.
5. Someone, usually male, who aggressively evangelizes a person, concept or technology.

## Etymology
PIE word
 *bʰréh₂tēr
Clipping of brother. Compare Danish bror, Norwegian Bokmål bror, Swedish bror.

## Easily confused with
- **by** (https://plainspell.com/en/vs/bro-vs-by)
- **BS** (https://plainspell.com/en/vs/bro-vs-bs)
- **Bt** (https://plainspell.com/en/vs/bro-vs-bt)
- **BW** (https://plainspell.com/en/vs/bro-vs-bw)
- **BX** (https://plainspell.com/en/vs/bro-vs-bx)
- **but** (https://plainspell.com/en/vs/bro-vs-but)
- **buy** (https://plainspell.com/en/vs/bro-vs-buy)
- **bus** (https://plainspell.com/en/vs/bro-vs-bus)
- **bye** (https://plainspell.com/en/vs/bro-vs-bye)
- **bug** (https://plainspell.com/en/vs/bro-vs-bug)
- **bud** (https://plainspell.com/en/vs/bro-vs-bud)
- **BTW** (https://plainspell.com/en/vs/bro-vs-btw)
- **bum** (https://plainspell.com/en/vs/bro-vs-bum)
- **bun** (https://plainspell.com/en/vs/bro-vs-bun)
- **BTC** (https://plainspell.com/en/vs/bro-vs-btc)
- **BTS** (https://plainspell.com/en/vs/bro-vs-bts)
- **BYU** (https://plainspell.com/en/vs/bro-vs-byu)
- **BSA** (https://plainspell.com/en/vs/bro-vs-bsa)
- **bub** (https://plainspell.com/en/vs/bro-vs-bub)
- **bur** (https://plainspell.com/en/vs/bro-vs-bur)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bro