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Published: 1st September 2021

Citation: Astronist Institution. (2021). Oneirism. Available: Last accessed [enter date e.g. 1st Sept 2021].


noun  Astroeschatology

one’s experience of a cosmic dream, especially to denote a belief now held as a result of such an experience.


Oneirist | ə(ʊ)ˈ nʌɪrɪst | adjective & noun
Oneiristic | ə(ʊ)ˈ nʌɪrɪstɪk | adjective
Oneiristical | ə(ʊ)ˈ nʌɪrɪstɪk(ə)l | adjective
Oneiristically | ə(ʊ)ˈ nʌɪrɪstɪk(ə)li | adverb


Astro-English: from Astronese, the word oneirism makes use of the prefix oneiro- which denotes “the phenomena of dreams or dreaming”; conjoining this with the suffix -ism comes to mean a formalised belief that involves experience or phenomena of dreaming.

Encyclopaedic entry for “Oneirism” on

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Notice: Each definition, extended description and etymological description found on is under copyright protection of the Astronist Institution and therefore should not be used elsewhere except in direct quotation along with a reference to its respective definition page on Exempt from this copyright protection are the words being defined themselves, unless otherwise stipulated with the tag trademark in which the use of such a word for your own commercial purposes is likely a breach of copyright.

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