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Noun: major tranquilliser
Usage: Brit (N. Amer: major tranquilizer)
  1. Tranquilizer used to treat psychotic conditions when a calming effect is desired
    - major tranquilizer [US], major tranquillizer [Brit, Cdn], antipsychotic drug, antipsychotic agent, antipsychotic, neuroleptic drug, neuroleptic agent, neuroleptic

Derived forms: major tranquillisers

Type of: antianxiety agent, ataractic, ataractic agent, ataractic drug, tranquilizer [N. Amer], tranquilliser [Brit], tranquillizer