"Uncelestial" is not a widely used word, but its antonyms can help clarify its meaning. The word "celestial" refers to the sky, heavens, and space beyond Earth. Therefore, the antonym of "uncelestial" would be "celestial." Other antonyms could include "heavenly," "divine," "angelic," "supernal," and "ethereal." These words all relate to something that is related to or from the heavens. Additionally, "terrestrial," "earthly," "mundane," "common," and "worldly" are antonyms of "uncelestial." These words refer to things that are from or related to the Earth or the physical world, which is opposite to anything celestial.
