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Synonyms

bun

1 American  
[buhn] / bʌn /

noun

  1. any of a wide variety of variously shaped bread rolls, usually leavened and slightly sweetened or plain, sometimes containing spices, dried currants, etc.

  2. hair gathered into a round coil or knot at the nape of the neck or on top of the head in certain coiffures.

  3. Slang. buns, the buttocks.


bun 2 American  
[buhn] / bʌn /

idioms

  1. have a bun on, to be intoxicated.

    Everyone at the party seemed to have a bun on.


BUN 3 American  

abbreviation

  1. blood urea nitrogen: the concentration of nitrogen in the blood in the form of urea, indicating kidney function.


bun British  
/ bʌn /

noun

  1. a small roll, similar to bread but usually containing sweetening, currants, spices, etc

  2. any of various types of small round sweet cakes

  3. a hairstyle in which long hair is gathered into a bun shape at the back of the head

  4. slang to be pregnant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of bun1

1325–75; Middle English bunne, possibly of Romance origin; buñuelo ( def. )

Origin of bun2

First recorded in 1900–05; of uncertain origin

Origin of BUN3

First recorded in 1915–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Her hair was pulled up into a bun, though a long curl had escaped, and she wore jeans and a fitted T-shirt with a math competition logo.

From Literature

“Where have you been?” she chided me, tucking a stray wisp of white hair up into her bun.

From Literature

The teen is wearing black glasses and braided hair styled in a bun with blue highlights.

From Los Angeles Times

The image of Mom twisting her hair into a neat bun while wearing an orange jumpsuit makes me want to hurl.

From Literature

Her deep auburn hair was pulled up in an elegant ballerina bun.

From Literature