verb
unbutton
uhn-BUH-tuhn
verb
1
To undo the buttons of a piece of clothing.
"He unbuttoned his coat as soon as he got inside."
"She unbuttoned the cuffs of her shirt before rolling up her sleeves."
How to Use Unbutton
Learner’s notesIn plain EnglishTo open something up by undoing its buttons.
Common pairings
unbutton a shirt
unbutton a coat
Word Forms
unbuttoned past tense, unbuttons singular
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Etymology
From Middle English unbotonen, from un- + button.