Preceding, as in the order of time, of thought, of origin, of dignity, or of importance; in law, senior in point of time: as, a prior and a junior incumbrance.Previous: used adverbially, followed by to, like previous. See previous, a.n. A superior officer; a superior.n. Formerly, in Italy, a chief magistrate, as in the medieval republic of Florence.n. Synonyms Abbot, Prior. See def. .