oneirism

/oʊˈnaɪrɪzəm/
noun
  1. A state of being absorbed in a dreamlike fantasy or daydream, often to the point of losing touch with reality.
    • His oneirism made it hard for him to focus on work because he was always imagining other worlds.
    • The artist's oneirism inspired surreal paintings that looked like scenes from a dream.
    • Lost in oneirism, she stared out the window and didn't hear her name being called.
  2. In psychology, a pathological condition characterized by dreamlike hallucinations or a confused state similar to dreaming while awake.
    • Doctors diagnosed her oneirism as a side effect of the medication.
    • The patient's oneirism caused him to see vivid images that weren't really there.
    • Oneirism can sometimes occur during high fevers or after a lack of sleep.
Antonyms
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