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1. Of, relating to, or characteristic of an orgy.
2. Arousing or causing unrestrained emotion; frenzied.

[Greek orgiastikos, from orgiastēs, celebrant of orgies, from orgiazein, to celebrate orgies, from orgia, orgies; see orgy.]

or′gi·ast′ n.
or′gi·as′ti·cal·ly adv.


a participant in an orgy
References in periodicals archive ?
I, whose sexual nature is to cling to one woman like a child embracing the universe, am driven by my destiny to be the orgiast .
What is certain is that something about Salome brings out the orgiast in directors.
The healthy masculinity of the twenty-one-year-old male should be in full vigor; his is withered and flabby, devolved into the fractured spendings of the shopaholic, the gambler, the epicure, and the orgiast.