verb (used with object)
verb (used without object)
Examples from the Web for unbutton
Raise: Unbutton the flap of the holster with the right hand and grasp the stock, back of the hand outward.
Perhaps he'll unbutton after a bottle or two of champagne, or at any rate a third.Modeste Mignon|Honore de Balzac
Then he commenced to pant, to feel suffocated, and he had to unbutton his shirt-collar and his belt.The works of Guy de Maupassant, Vol. 5 (of 8)|Guy de Maupassant 1850-1893
His only reaction to this was to step forward and continue to unbutton her blouse.Ten From Infinity|Paul W. Fairman
It will be cold to unbutton, but if I only know that it's getting near morning I shall at any rate feel more cheerful.Master and Man|Leo Tolstoy