ppl. a. Obs. rare. [f. late L. apostatāt- ppl. stem of apostatā-re: see APOSTATE v.] Apostatized, apostate.
1536. Pilgr. T., 299, in Thynnes Animadv. Thes that from christ be appostatat.
1629. H. Burton, Babel no Bethel, 33. An apostatate Minister of the Church of England.