atarax ataractic drug • ataraxia · · · Info · Definitions · Synonyms · Characters · · atarax · · Text Latin · · Script 6 · · Length 3 · · Syllables Definitions · · · (noun) a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness. Synonyms: hydroxyzine hydrochloride, hydroxyzine, Atarax, Vistaril. · · Noun Definition 1 Synonyms · · · hydroxyzine hydrochloride · · Synonym 1 hydroxyzine · · Synonym 2 vistaril · · Synonym 3 Characters · · a latin small letter a U+0061 r latin small letter r U+0072 t latin small letter t U+0074 x latin small letter x U+0078