Definition of thioridazine in English:

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Pronunciation: /ˌTHīəˈridəˌzēn/ /-zin/


A synthetic compound derived from phenothiazine, used as a tranquilizer, chiefly in the treatment of mental illness.
Example sentences
  • The phenothiazine associated with most deaths was not thioridazine but chlorpromazine.
  • The Irish Medicines Board has decided to ban the use of the antipsychotic drug thioridazine in children because of fears over cardiac side effects.
  • Chlorpromazine, haloperidol and thioridazine became the standard treatments for schizophrenia.


1950s: from thio- + (pipe)rid(ine) + azine.

For editors and proofreaders

Syllabification: thi·o·rid·a·zine

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