- to free (a button) from the buttonhole
- to unfasten the button or buttons of (a garment, etc.)
to unfasten buttons, as in disrobing
verbun·but·toned, un·but·ton·ing, un·but·tons
- To unfasten the buttons of.
- To free or remove (a button) from a buttonhole.
- To open as if by unbuttoning: unbutton the hatches.
To undo buttons.