BACK v. 2 definitions
to assert and deny. [Colloq.] -- To back out, To back down, to retreat or withdraw from a promise, engagement, or contest; to recede. [Colloq.] Cleon at first . . . was willing to go; but, finding that he [Nicias] was in earnest, he tried to back out. Jowett (Thucyd. )
BIND v.
Fig.: To oblige, restrain, or hold, by authority, law, duty, promise, vow, affection, or other moral tie; as, to bind the conscience; to bind by kindness; bound by affection; commerce binds nations to each other. Who made our laws to bind us, not himself. Milton.
BREAK v.
To infringe or violate, as an obligation, law, or promise. Out, out, hyena! these are thy wonted arts . . . To break all faith, all vows, deceive, betray. Milton
BRIBE n. 3 definitions
A price, reward, gift, or favor bestowed or promised with a view to prevent the judgment or corrupt the conduct of a judge, witness, voter, or other person in a position of trust. Undue reward for anything against justice is a bribe. Hobart.