ethereal vs celestial

ethereal and celestial both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ethereal	No	Yes	No	No
celestial	No	Yes	No	No

As adjectives, ethereal and celestial are synonyms defined as:

Other synonyms of ethereal include supernal.

ethereal (adjective)	celestial (adjective)
of or containing or dissolved in ether	relating to or inhabiting a divine heaven
characterized by unusual lightness and delicacy	of or relating to the sky
of heaven or the spirit	of heaven or the spirit
characterized by lightness and insubstantiality; as impalpable or intangible as air