news / April 07, 2026 Definitions of etherial - OneLook Definitions from Wiktionary (etherial)▸ adjective: Archaic form of ethereal. [Pertaining to the presupposition of an invisible air-like element permeating all of space, or to the higher regions beyond the earth or beyond the atmosphere.]etheric, aetherial, aetheric, etherize, etherification, etheria, ethereal, Aether, electromagnetic, elemental, more...▸ Words similar to etherial▸ Usage examples for etherial▸ Idioms related to etherial▸ Civic discussion about etherial (New!)▸ Popular nouns described by etherial▸ Words that often appear near etherial▸ Rhymes of etherial▸ Invented words related to etherial