Vain; inadequate to its purpose; not of binding force or legal efficacy; lacking in authority or obligation . Ilood v. Perry, 75 Ga. 312; State v. Casteel, 110 Ind. 174, 11 N. E. 219; Mutual Ben. L. Ins. Co. v. Winne, 20 Mont. 20, 49 Pac. 446.
Black’s Law Online Dictionary