Antonyms of adj chthonic

1 sense of chthonic

Sense 1
chthonian, chthonic, nether -- (dwelling beneath the surface of the earth; "nether regions")

INDIRECT (VIA infernal) -> supernal -- (being or coming from on high; "interpret the plague as a visitation from heaven, a supernal punishment for the sins of men")

Similarity of adj chthonic

1 sense of chthonic

Sense 1
chthonian, chthonic, nether -- (dwelling beneath the surface of the earth; "nether regions")
       => infernal (vs. supernal) -- (being of the underworld; "infernal regions")