(a) moving, advancing; (b) erring; (c) fleeting, transitory.

Subject to or characterized by aberration; abnormal, deviant, nonstandard; deviating or diverging from (formerly also †fro) a recognized course…

Stumbling, erring, sinning.

figurative. Deviating or swerving from the straight way; erring, straying.

figurative. Deviating from the right; not straight-forward or direct; morally crooked.