Added 9 October 2026
ethereal
/ɪˈθɪə.ɹɪ.əl/ adjective
In Latin: aetherius Wiktionary
adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about ethereal at Wordnik → Where our words come from →
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Characterized by lightness and insubstantiality; as impalpable or intangible as air.
figures light and aeriform come unlooked for and melt away
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Of or containing or dissolved in ether.
ethereal solution
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Of heaven or the spirit.
celestial peace
Origin
From Latin aetherius (“of or pertaining to the ether, the sky, Heaven or the air or upper air”), from Ancient Greek αἰθέριος (aithérios, “of or pertaining to the upper air”). By surface analysis, ether + -ial.
From Wiktionary, via Kaikki.org (CC BY-SA)