Oneirism
//ə(ʊ)ˈnʌɪɹɪzəm// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Dream-like experiences or qualities; dreaminess. rare
"Following great explosions two forms of mental trouble have been found so frequently that other manifestations have become almost exceptional. These are mental confusion and delirious oneirism."
- 2 absentminded dreaming while awake wordnet
- 3 A state of abnormal consciousness in which dream-like experiences and hallucinations happen while awake.
Example
More examples"Following great explosions two forms of mental trouble have been found so frequently that other manifestations have become almost exceptional. These are mental confusion and delirious oneirism."
Etymology
From oneir- + -ism.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.