unbuttons
un-but-tons
verb
To undo the buttons of something, typically an item of clothing, or to become unbuttoned.
"She unbuttons her coat as she enters the warm room."
Thesaurus
Antonyms: button
un-but-tons
To undo the buttons of something, typically an item of clothing, or to become unbuttoned.
"She unbuttons her coat as she enters the warm room."
Antonyms: button