MoilMOIL, verb transitive To daub; to make dirty. [Little used.]1. To weary. [See the next word.]MOIL, verb intransitive [Gr. labor, combat; to strive, to fight; Latin molior, and miles.] To labor; to toil; to work with painful efforts.Now he must moil and drudge for one he loathes.MOIL, noun A spot. [Not in use.]