hydroxyzine hydroxytetracycline • hydroxyzine hydrochloride · · · Info · Definitions · Synonyms · Characters · · hydroxyzine · · Text Latin · · Script 11 · · Length 4 · · Syllables Definitions · · · (noun) a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness. Synonyms: hydroxyzine hydrochloride, Atarax, Vistaril. · · Noun Definition 1 Synonyms · · · hydroxyzine hydrochloride · · Synonym 1 atarax · · Synonym 2 vistaril · · Synonym 3 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 x latin small letter x U+0078 y latin small letter y U+0079 z latin small letter z U+007A