v. (UN-2 3.)
1598. Florio, Spromettere, to vnpromise, to breake promise.
1605. Chapman, All Fools, II. i. 70. Promises are no fetters; with that tongue Thy promise past, unpromise it againe.
1672. Ravenscroft, Cit. turned Gentl., IV. i. 64. Luc. But you have promisd I should be his Wife. Ford, if I promised you, I unpromise you.