Definition of ethereal :
1. Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.
2. Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; as, ethereal space; ethereal regions.
3. Pertaining to, derived from, or resembling, ether; as, ethereal salts.
light, cobwebby, gay, lively, impractical, heavenly, airy, animated, gossamery, delicate, joyous, thick, insubstantial, aeriform, vaporous, diaphanous, divine, supernal, vapory, aired, filmy, vapourous, see-through, aerial, empyreal, sheer, transparent, fairylike, windy, gauze-like, frolicsome, visionary, celestial, aery, astronomical, airlike, sprightly, fragile, gauzy
immaterial (part of speech: adjective)
wispy (part of speech: adjective)
unsubstantial (part of speech: adjective)
- Our claims are always beyond our deserts, and we are disappointed if our poor, mean, defective natures do not obtain the homage which belongs to those of ethereal texture.
- There was a refined, ethereal gravity and beauty, which it is very unusual to see in a girl of thirteen; an expression too spiritual for years which ought to be full of joyous and careless animal life. - "A Red Wallflower", Susan Warner.
- Away in the distance a huge mass of rock stood out to view, its rugged lines transfigured into ethereal loveliness by a misty veil of tender rose pink,- a hue curiously suggestive of some other and smaller sun that might have just set. - "Thelma", Marie Corelli.