Definition of apostate

• n. - One who has forsaken the faith, principles, or party, to which he before adhered; esp., one who has forsaken his religion for another; a pervert; a renegade.
• n. - One who, after having received sacred orders, renounces his clerical profession.
• a. - Pertaining to, or characterized by, apostasy; faithless to moral allegiance; renegade.
• v. i. - To apostatize.
• n. - One who has forsaken the faith, principles, or party, to which he before adhered; esp., one who has forsaken his religion for another; a pervert; a renegade.
• n. - One who, after having received sacred orders, renounces his clerical profession.
• a. - Pertaining to, or characterized by, apostasy; faithless to moral allegiance; renegade.
• v. i. - To apostatize.