button-down

American  

[buht-n-doun] / ˈbʌt nˌdaʊn /

adjective

1. (of a shirt collar) having buttonholes so it can be buttoned to the body of the shirt.

2. (of a shirt) having a button-down collar.

3. (of a shirt) having buttons down the front from the collar to the bottom.

4. Also buttoned-down (especially of attitudes, opinions, etc.) extremely conventional; unimaginative.

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button-down British  

adjective

1. (of a collar) having points that are fastened to the garment with buttons

2. (of a shirt) having a button-down collar

3. Also: buttoned-down.  conventional or conservative

   a button-down corporate culture

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Etymology

Origin of button-down

An Americanism dating back to 1930–35

Example Sentences

You’d think that the night was done by the time he returns to the stage, soaking wet, having discarded the vest he wears over his white button-down shirt.

From Salon • May 28, 2026

“Margo has a favorite alien T-shirt. And then in an early episode, she has another button-down shirt that has an alien. Hopefully, the viewers notice that it’s in her subconscious.”

From Los Angeles Times • May 20, 2026

Eugene Levert, chain-smoking next to a stack of books while wearing a vertical blue-striped button-down and khaki slacks, looked the scholarly mirror of Doug Lamplugh, in a horizontal blue-striped polo and khaki shorts.

From Slate • May 4, 2026

These days, even Goldman Sachs CEO David Solomon wears the “midtown uniform” of a button-down shirt and fleece vest.

From The Wall Street Journal • Mar. 7, 2026

He’s slouched down in the chair wearing the pale blue button-down and khakis he wore to school today.

From "Odd One Out" by Nic Stone