† prodiˈgaleous,a.Obs.rare—1. [Erroneous form for *prodigalious, f.med.L. *prōdigāli-s: cf.audaci-ous, bili-ous.] Of the nature of a prodigal. c1400tr.Secreta Secret., Gov. Lordsh. 52 He is a wastour of his goodys,..& he ys callyd a prodegaleous man þat is ffole large.