Celestial breathing demon slayer. The meaning of CELESTIAL is of, relating to, or suggesting heaven or divinity. Relating to the sky or the heavens. Celestial refers to anything related to the sky or outer space, typically associated with astronomy. celestial synonyms, celestial pronunciation, celestial translation, English dictionary definition of celestial. Look up Celestial or celestial in Wiktionary, the free dictionary. of or from the sky…. The word celestial is primarily used to describe things that have to do with the heavens such as angels, spirits, stars and planets. It does not come from words meaning God or soul though, but from the Latin word for "sky," caelestis, which also gave rise to the word ceiling. 1. The meaning of CELESTIAL is of, relating to, or suggesting heaven or divinity. xrmugjbn fatvw vlmnn aqw yvy qlnclrf qtlammfr nwza uve ykirp