Transgressively \Trans*gress"ive*ly\, adv. Adam, perhaps, . . . from the transgressive infirmities of himself, might have erred alone. --Sir T. Browne. Transgressor \Trans*gress"or\, n. [L.: cf. F. transgresseur.] One who transgresses; one who breaks a law, or violates a command; one who violates any known rule or principle of rectitude; a sinner. The way of transgressors is hard. --Prov. xiii. 15.