- (of a shirt collar) having buttonholes so it can be buttoned to the body of the shirt.
- (of a shirt) having a button-down collar.
- (of a shirt) having buttons down the front from the collar to the bottom.
- Also buttoned-down. (especially of attitudes, opinions, etc.) extremely conventional; unimaginative.
Origin of button-down
An Americanism dating back to 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for button-down
She often dressed casually in button-down shirts, sweaters, and skinny jeans.Teaching ‘The Great Gatsby’ in Chengdu, China
May 20, 2013
They are neither formal nor distant, the button-down shirts open at the collar signaling vulnerability rather than posturing.Naftali Bennett Wants You!
December 25, 2012
Mitt will give a pitch-perfect, button-down speech accepting the GOP nomination Thursday night.What If Mitt Romney Said What He Really Thought Thursday Night
August 30, 2012
Cain, who is 65, is balding and bespectacled; he was wearing a white sweater vest and a button-down shirt.Pizza Guy for President!
January 13, 2011
- (of a collar) having points that are fastened to the garment with buttons
- (of a shirt) having a button-down collar
- Also: buttoned-down conventional or conservativea button-down corporate culture
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