ap·o·tac·ti·ci \ˌapəˈtaktəˌsī\noun plural Usage: capitalized Etymology: Late Latin or Medieval Latin, plural of Apotacticus, from Late Greek Apotaktikos, literally, renouncer, from apotaktikos disposed to renounce, from Greek apotassein to set aparticiple from apo- + tassein to put in order, arrange — more at tactics : apostolici