"antipsychotics" in the noun sense
1. major tranquilizer, major tranquillizer, major tranquilliser, antipsychotic drug, antipsychotic agent, antipsychotic, neuroleptic drug, neuroleptic agent, neuroleptic
tranquilizer used to treat psychotic conditions when a calming effect is desired
Source: WordNet® (An amazing lexical database of English)
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