bun

1 of 2

noun (1)

ˈbən 

1

: a sweet or plain small bread

especially : a round roll

2

: a knot of hair shaped like a bun

3

buns plural : buttocks

bun

2 of 2

noun (2)

: load sense 4

Synonyms of bun

Noun (1)

• cheeks
• tail
• bum
• seat
• rump

Examples of bun in a Sentence

Noun (1)

an exercise to firm your buns

Recent Examples on the Web

Noun

Their hair was held back in a low bun and coiled in exactly the same way, and their blue eyes were darkly lined, that intensity counteracted with their matching rosy lip look. —Séraphine Roger, Vanity Fair, 23 May 2026

The model styled her hair in a slick back bun and went for a more natural makeup look, except for bold red lipstick. —Lori A Bashian, FOXNews.com, 23 May 2026

The actress maintained her pink lip and smoky eye and wore her hair in a high bun. —Juliana Ukiomogbe, InStyle, 22 May 2026

She’s described as having a medium build and complexion with black hair in a bun. —Thomas Tracy, New York Daily News, 22 May 2026

Word History

Etymology

Noun (1)

Middle English bunne

Noun (2)

perhaps from bun entry 1

First Known Use

Noun (1)

14th century, in the meaning defined at sense 1

Noun (2)

1898, in the meaning defined above

Phrases Containing bun

• have a bun in the oven
• iced bun
• sticky bun

Rhymes for bun

• done
• dun
• fun
• gun
• hun
• jun
• none
• nun
• one
• pun
• run
• shun

Kids Definition

bun

noun

ˈbən

1

: a sweet or plain small bread

especially : a round roll

2

: a knot of hair shaped like a bun

Medical Definition

BUN

noun

ˌbē-ˌyü-ˈen 

: the concentration of nitrogen in the form of urea in the blood