lysergic acid diethylamide lysergic acid • lysichiton · · · Info · Definitions · Synonyms · Characters · · lysergic acid diethylamide · · Text Common · · Latin · · Scripts 26 · · Length 9 · · Syllables Definitions · · · (noun) a powerful hallucinogenic drug manufactured from lysergic acid. Synonyms: lysergic acid diethylamide, LSD. · · Noun Definition 1 Synonyms · · · lsd · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079