† aˈpostatate,ppl.a.Obs.rare. [f. late L. apostatāt-ppl. stem of apostatā-re: see apostate v.] Apostatized, apostate. 1536Pilgr. T. 299 in Thynne's Animadv., Thes that from christ be appostatat.1629H. Burton Babel no Bethel 33 An apostatate Minister of the Church of England.