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• bro
  bro

  noun

  a brother.
• bro.
  bro.

  abbreviation

  brother.

bro

¹ American  

[broh, bruh] / broʊ, brʌ /

Sometimes bruh

noun

bros plural

1. a brother.

2. a guy or fellow: used as a term of address.

3. a male friend or buddy.

4. a fellow Black male; soul brother.

5. a young, usually white male variously and often negatively characterized as being preppy, party-loving, egotistical, sexist, etc.

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adjective

1. of or relating to bros.

   the bro culture of college athletics.

bro. ² American  

Or Bro.

abbreviation

bros, plural Bros plural

1. brother.

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bro ¹ British  

/ brəʊ /

noun

1. a family member

2. a close associate

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bro ² British  

/ bruː /

noun

1. informal a friend, often used in direct address

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bro. ³ British  

/ brəʊ /

abbreviation

1. brother

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Other Word Forms

Derived Forms

• broish
  adjective

Inflected Forms

Nouns

• bros
  plural

Etymology

Origin of bro

First recorded in 1830–40; reduced form of brother

Example Sentences

Mathew Evans, head teacher of Ysgol Glantaf and Bro Edern in Cardiff, called it a "momentous decision" to close but said the weather had provided a unique challenge for Wales.

From BBC • Jun. 25, 2026

He added: "This weather creates a problem for the whole school. It's a problem for buildings like Bro Edern and Glantaf, which are 70s-build, concrete clad, and have very narrow corridors."

From BBC • Jun. 25, 2026

Appeared in the April 30, 2026, print edition as 'Kimmel’s Journey From TV Bro to Trump Critic'.

From The Wall Street Journal • Apr. 29, 2026

Big Bro is also the name of his mental health foundation for youth that he launched earlier this year.

From Los Angeles Times • Apr. 1, 2026

BREN: Bro, she was, like, the tallest girl I’ve ever seen.

From "The Epic Fail of Arturo Zamora" by Pablo Cartaya

Related Words

• buddy
• comrade
• crony
• playmate