The antonyms for the word "more chthonic" are "heavenly," "ethereal," and "celestial." Chthonic refers to things that are associated with the earth, underworld, or the supernatural world. When something is more chthonic, it is closer to the ground and is associated with earthly pursuits. On the other hand, terms like "heavenly," "ethereal," and "celestial" refer to things that are associated with the sky, higher powers, and spiritual realms. These antonyms convey an opposite meaning to the word "chthonic," as they are connected with higher states of being and transcendence. Understanding these antonyms can help us better understand the different ways in which we perceive our reality.