形容詞 orgiastic:

1. used of frenzied sexual activity
2. used of riotously drunken merrymaking
   同義詞：bacchanalian, bacchanal, bacchic, carousing

or.gi.as.tic

adj.（形容詞）
Of, relating to, or characteristic of an orgy.
狂歡的：屬于、關(guān)于或以狂歡為特點的

來源：
Greek orgiastikos
希臘語 orgiastikos
from orgiastôs [celebrant of orgies]
源自 orgiastôs [狂歡節(jié)慶祝]
from orgiazein [to celebrate orgies]
源自 orgiazein [慶祝狂歡節(jié)]
from orgia [orgies] * see orgy
源自 orgia [神秘的慶典儀式] *參見 orgy

【引伸】
or.giast.
n.（名詞）
or.gias.tically
adv.（副詞）