A hallucinogen which induces fantasies or visions of a perfect existence; a drug whose effects are viewed as an escape from or improvement upon reality.
Origin
1960s. Blend of utopia and opiate.
Definition of utopiate in US English:
utopiate
noun
A hallucinogen which induces fantasies or visions of a perfect existence; a drug whose effects are viewed as an escape from or improvement upon reality.