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of or relating to any of various substances used in the treatment of psychosis, especially schizophrenia, and acute or severe states of mania, depression, or paranoia.
Also called major tranquilizer, neuroleptic. any such substance, as the phenothiazines.
Historical Examples

If not checked with antipsychotic medication, they become violent.
The Capgras Shift Sam Vaknin

The antipsychotic drugs, or neuroleptics, reduce the brain’s sensitivity to one or more of these chemical substances.
When You Don’t Know Where to Turn Steven J. Bartlett

preventing or treating psychosis
any antipsychotic drug, such as chlorpromazine: used to treat such conditions as schizophrenia

antipsychotic an·ti·psy·chot·ic (ān’tē-sī-kŏt’ĭk, ān’tī-)
Counteracting or diminishing the symptoms of a psychotic disorder such as schizophrenia, paranoia, or manic-depressive psychosis.
an’ti·psy·chot’ic n.


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