/awr'jee as"tik/ , adj.
1. of, pertaining to, or having the nature of an orgy.
2. tending to arouse or excite unrestrained emotion: orgiastic rhythms.
3. Sociol. (of an expressive crowd) reaching a peak of emotional intensity, often of an ecstatic nature and frequently expressed by uninhibited behavior.
[ 1690-1700; orgiastikós, deriv. (with -tikos -TIC) of orgiázein to celebrate orgies (deriv. of órgia secret rites; see ORGY) ]
Syn. 1. wanton, licentious, debauched, riotous.