Oneirism

//ə(ʊ)ˈnʌɪɹɪzəm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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. 2
    absentminded dreaming while awake wordnet
  3. 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.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.