Prochlorperazine Prochlorperazine antonyms If you know antonyms for Prochlorperazine, then you can share it. Suggest antonym for Prochlorperazine Prochlorperazine synonyms tranquillizer barbiturate temazepam diazepam chlordiazepoxide chlorpromazine meprobamate benzodiazepine thioridazine antiemetic antiemetic drug Full list of synonyms (20)