Vain; Inadequate to its pur-pose; not of binding force or legal efficacy; lacking In authority or obligation. Hood 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