si·mo·ni·ac I. \sīˈmōnēˌak, sə̇ˈm-\noun (-s) Etymology: Middle English, from Middle French or Medieval Latin; Middle French simoniaque, from Medieval Latin simoniacus, from simoniacus of simony, from Late Latin simonia simony : one who practices simony II. adjective orsimo·ni·a·cal\|sīmə|nīəkəl, |sim-\ : of, relating to, or characterized by simony • sim·o·ni·a·cal·ly\-k(ə)lē, -li\adverb