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ENGLISH · A WORD WITH POSSIBILITIES

bro.

Brother (a male sibling).

3 characters1 syllables approx.English language

Meaning & usage

noun/ˈbɹəʊ̯/Received-Pronunciation[ˈbɹʷəʊ̯]Received-Pronunciation/ˈbɹɵʊ̯/Received-Pronunciation[ˈbɹʷɵʊ̯]Received-Pronunciation
  1. Brother (a male sibling).

    slang
    My mom took my lil' bro to soccer practice now and she wanted me to pick him up.
  2. Brother (a comrade or friend; one who shares one’s ideals).

    slang
    Bro, you good? You've been lookin' kinda out of it lately.
  3. Brother, my man, good sir; a friendly term of address for typically men.

    slang
    don't tase me, bro
    Hey bro, sorry to bother you but I think I accidentally backed up into your car — can I make it up to you?
  4. A frat boy or someone who espouses the fraternity bro culture.

    slang
  5. Someone, usually male, who aggressively evangelizes a person, concept or technology.

    derogatory · in-compounds · slang · usually
    AI bro
Where this word comes from

PIE word *bʰréh₂tēr Etymology tree Proto-Indo-European *bʰréh₂tēr Proto-Germanic *brōþēr Proto-West Germanic *brōþer Old English brōþor Middle English brother English brotherclip. English bro Spelling pronunciation and clipping of brother. (Contrast bruh, which is a clipping of the pronunciation of brother rather than the spelling.) Compare Swedish bror.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.