a1618 J. Sylvester tr. G. Fracastoro Maidens Blush in tr. G. de S. Du Bartas (1621) 840 You shall goe that are so promise-bound.
1813 W. Scott ii. xx. 84 As promise-bound, I bid the trump for tourney sound.
1954 1 Apr. 4/4 Possibly an erstwhile beloved is incurably ill, and he feels promise-bound to be true to the end.