or·gi·as·tic \|ȯ(r)jē|astik, -a(a)s,- -tēk\adjective alsoor·gi·as·ti·cal\-tə̇kəl, -tēk-\ Etymology: Greek orgiastikos, from (assumed) orgiastos (verbal of orgiazein) + -ikos, -ic 1.: tending to produce wild emotion < orgiastic music > 2.: of or having the character or quality of an orgy • or·gi·as·ti·cal·ly\-tə̇k(ə)lē, -tēk-, -li\adverb