ethereal

US /iˈθɪr.i.əl/
UK /iˈθɪr.i.əl/
"ethereal" picture
1.

extremely delicate and light in a way that seems too perfect for this world

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Her voice had an ethereal quality, like a whisper from another realm.
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The ballet dancer moved with such ethereal grace.
:
delicateairylightfragilegracefulsublimeheavenlycelestialspiritualotherworldlyunearthlyghostlyspectralintangibleinsubstantial
2.

relating to the regions beyond the earth

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The ancient texts spoke of ethereal beings residing in the heavens.
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The novel explored themes of human connection and ethereal realms.
:
celestialheavenlyspiritualotherworldlyunearthlytranscendentsupernatural