1
: a sweet or plain small bread
especially
: a round roll
2
: a knot of hair shaped like a bun
3
Examples of bun in a Sentence
Noun (1)
an exercise to firm your buns
Recent Examples on the Web
Escher Walcott, PEOPLE, 19 Oct. 2025
After the buns cool slightly, whisk together confectioners’ sugar and pure maple syrup to create a thick but pourable drizzle.
—Elizabeth Fogarty, Better Homes & Gardens, 18 Oct. 2025
Perry, who earlier this year split from her longtime partner and father of her daughter, the actor Orlando Bloom, was wearing a dark one-piece bathing suit, with her hair swept casually into a bun.
—Naomi Fry, New Yorker, 18 Oct. 2025
But my messy bun is really a messy bun, so don’t laugh too hard!
—Jessica Hartshorn, Flow Space, 17 Oct. 2025
See All Example Sentences for bun
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Noun
The look was completed by styling her hair in a sleek high bun, while wearing heavy pink blush with a pinky nude glossy lip.
—Escher Walcott, PEOPLE, 19 Oct. 2025
After the buns cool slightly, whisk together confectioners’ sugar and pure maple syrup to create a thick but pourable drizzle.
—Elizabeth Fogarty, Better Homes & Gardens, 18 Oct. 2025
Perry, who earlier this year split from her longtime partner and father of her daughter, the actor Orlando Bloom, was wearing a dark one-piece bathing suit, with her hair swept casually into a bun.
—Naomi Fry, New Yorker, 18 Oct. 2025
But my messy bun is really a messy bun, so don’t laugh too hard!
—Jessica Hartshorn, Flow Space, 17 Oct. 2025
See All Example Sentences for bun
Cite this Entry
“Bun.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bun. Accessed 21 Oct. 2025.
Copy CitationMedical Definition
BUN
noun
: the concentration of nitrogen in the form of urea in the blood
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