orgiastic Definition

orgy
noun orgies

1. A wild party or celebration involving indiscriminate sexual activity and excessive drinking.

Thesaurus: revelry, bacchanal, celebration, spree, jag slang).
2. Any act of excessive or frenzied indulgence.

Example: an orgy of shopping
Thesaurus: binge, splurge, spree, fling, jag (slang).
3. Greek & Roman historical.
Secret rites practised during the worship of various deities, such as Dionysus or Bacchus, often involving dancing and drinking, etc.
Form: orgies (usually)

Derivative: orgiastic
adj

Etymology: 16c: from Latin orgia, from Greek (in sense 3).