neuroleptic

1. (pharmacology) An antipsychotic drug.Examples: "The time has come, therefore, to establish some definite criteria for the new drugs that Delay called neuroleptics, of which chlorpromazine and reserpine are the primary ones, although chemically different."; "Neuroleptics, the first psychopharmacological treatments reported to be effective in adults, were interpreted as potent antianxiety drugs giving rise to the term "major tranquilizer" that was popular in the United States until the early 1970s and were also used to treat anxiety symptoms in children (as were other agents, including psychostimulants and antihistamintes)."; "Thus initially neuroleptics may increase DA turnover and possibly even its action depending on the degree of postsynaptic block."