Antonyms of adj stygian

2 senses of stygian

Sense 1
Stygian -- (hellish; "Hence loathed Melancholy.../In Stygian cave forlorn"- Milton)

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")

Sense 2
Acheronian, Acherontic, Stygian -- (dark and dismal as of the rivers Acheron and Styx in Hades; "in the depths of an Acheronian forest"; "upon those roseate lips a Stygian hue"-Wordsworth)

INDIRECT (VIA dark) -> light -- (characterized by or emitting light; "a room that is light when the shutters are open"; "the inside of the house was airy and light")

Similarity of adj stygian

2 senses of stygian

Sense 1
Stygian -- (hellish; "Hence loathed Melancholy.../In Stygian cave forlorn"- Milton)
       => infernal (vs. supernal) -- (being of the underworld; "infernal regions")

Sense 2
Acheronian, Acherontic, Stygian -- (dark and dismal as of the rivers Acheron and Styx in Hades; "in the depths of an Acheronian forest"; "upon those roseate lips a Stygian hue"-Wordsworth)
       => dark (vs. light) -- (devoid of or deficient in light or brightness; shadowed or black; "sitting in a dark corner"; "a dark day"; "dark shadows"; "dark as the inside of a black cat")