Thorazine Thorazine antonyms If you know antonyms for Thorazine, then you can share it. Suggest antonym for Thorazine Thorazine synonyms chlorpromazine antipsychotic antipsychotic agent antipsychotic drug major tranquilizer major tranquilliser major tranquillizer neuroleptic neuroleptic agent neuroleptic drug phenothiazine Full list of synonyms (12)