Definitions for "Antipsychotic"
a class of drugs that are used to treat psychosis. These conditions include schizophrenia, mania and delusional disorder. Antipsychotics are also commonly used in treating bipolar disorder. This class includes both the older "typical" antipsychotics, such as Haldol, as well as the newer "atypical" antipsychotics Abilify, Seroquel, and Zyprexa.
A powerful tranquilizer used especially to treat psychosis and believed to act by blocking dopamine receptors
Drugs used to treat psychotic breakdown, usually schizophrenia.