The DICT Development Group

  Orgiastic \Or`gi*as"tic\, a. [Gr. ?. See Orgy.]
     Pertaining to, or of the nature of, orgies. --Elton.
     [1913 Webster]

  orgiastic
      adj 1: used of frenzied sexual activity
      2: used of riotously drunken merrymaking; "a night of
         bacchanalian revelry"; "carousing bands of drunken soldiers";
         "orgiastic festivity" [syn: bacchanalian, bacchanal,
         bacchic, carousing, orgiastic]

  76 Moby Thesaurus words for "orgiastic":
     Adamic, Circean, abandoned, amok, animal, animalistic, beastlike,
     beastly, bellowing, berserk, bestial, bodily, brutal, brute,
     brutish, carnal, carnal-minded, carried away, coarse, corybantic,
     delirious, demoniac, distracted, earthy, ecstatic, enraptured,
     fallen, feral, ferocious, fierce, fleshly, frantic, frenzied,
     fulminating, furious, gross, haggard, hog-wild, howling,
     hysterical, in a transport, in hysterics, incontinent, intemperate,
     intoxicated, lapsed, mad, madding, maniac, material, materialistic,
     nonspiritual, orgasmic, physical, possessed, postlapsarian, rabid,
     raging, ramping, ranting, raving, ravished, roaring, running mad,
     saturnalian, storming, swinish, transported, uncontinent,
     uncontrollable, unrestrained, unspiritual, violent, wild,
     wild-eyed, wild-looking