- light, airy, or tenuous: an ethereal world created through the poetic imagination.
- extremely delicate or refined: ethereal beauty.
- heavenly or celestial: gone to his ethereal home.
- of or relating to the upper regions of space.
- Chemistry. pertaining to, containing, or resembling ethyl ether.
Also ae·the·re·al (for defs 1–4).
Origin of ethereal
- ether(defs 3–5).
- (initial capital letter) the ancient Greek personification of the clear upper air of the sky.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for aethereal
- extremely delicate or refined; exquisite
- almost as light as air; impalpable; airy
- celestial or spiritual
- of, containing, or dissolved in an ether, esp diethyl etheran ethereal solution
- of or relating to the ether
C16: from Latin aethereus, from Greek aitherios, from aithēr ether
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for aethereal
Online Etymology Dictionary, © 2010 Douglas Harper
- Characterized by lightness and insubstantiality; intangible.
- Of, relating to, or containing ether.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.