1. (v. t.) To exceed equality with; to outweigh.

2. (v. t.) To cause to lose balance or equilibrium.

3. (n.) Excess of weight or value; something more than an equivalent; as, an overbalance of exports.

abate abolish abrogate abstract annihilate black out blot out bring to naught bring to nothing buffer cancel cancel out come to nothing counteract counterbalance countercheck countermand counterorder delete disannul discharge dispose of dissolve divorce do away with efface eliminate expunge extinguish frustrate grant a divorce grant an annulment invalidate make void negate negativate negative neutralize nullify obliterate obtain a divorce offset outweigh overbalance override overrule part put asunder put away quash recall recant redress remove renege repeal rescind retract reverse revoke separate set aside split up stultify sue for divorce suspend thwart undo unmarry untie the knot vacate vitiate void waive wipe out withdraw write off