Definition of "ethereal" []

• Characterized by lightness and insubstantiality; intangible. (adjective)
• Highly refined; delicate. See Synonyms at airy. (adjective)
• Of the celestial spheres; heavenly. (adjective)
• Not of this world; spiritual. (adjective)
• Chemistry Of or relating to ether. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This world, of course, includes not just the material world but also the ethereal, as evidenced by the root of the word ethereal: ether."
• "When that happened, all the gods (who, it turns out, really did exist in ethereal forms, science be damned) became earthbound as humans."
• "In the light of the tragic event, he could understand everything -- her quietness, that calm certitude as if all vexing questions of living had been smoothed out and were gone, and that certain ethereal sweetness about all that she had said and done that had been almost maternal."