LSD

from WordNet (r) 3.0 (2006)

LSD
    n 1: a powerful hallucinogenic drug manufactured from lysergic
         acid [syn: {lysergic acid diethylamide}, {LSD}]

from The Collaborative International Dictionary of English v.0.48

LSD \LSD\ n.
   lysergic acid diethylamide, a powerful hallucinogenic drug.
   [Acronym]

   Syn: lysergic acid diethylamide, acid.
        [WordNet 1.5]

from Moby Thesaurus II by Grady Ward, 1.0

44 Moby Thesaurus words for "LSD":
      DET, DMT, Mary Jane, STP, THC, acid, antidepressant, ataractic,
      diethyltryptamine, dimethyltryptamine, gage, ganja, grass,
      hallucinogen, hash, hashish, hay, hemp, joint, kava, marijuana,
      mescal, mescal bean, mescal button, mescaline, mind-altering drug,
      mind-blowing drug, mind-expanding drug, morning glory seeds,
      peyote, pot, psilocin, psilocybin, psychedelic, psychic energizer,
      psychoactive drug, psychochemical, psychotomimetic, reefer, roach,
      stick, tea, tranquilizer, weed