Antonyms of verb unbutton

1 sense of unbutton

Sense 1
unbutton -- (undo the buttons of; "unbutton the shirt")
       Antonym of button (Sense 2)
      => button -- (fasten with buttons; "button the dress")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb unbutton

1 sense of unbutton

Sense 1
unbutton -- (undo the buttons of; "unbutton the shirt")
       => undo -- (cancel, annul, or reverse an action or its effect; "I wish I could undo my actions")