Antonyms of adj luminescent

1 sense of luminescent

Sense 1
luminescent -- (emitting light not caused by heat)

INDIRECT (VIA light) -> dark -- (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")

Similarity of adj luminescent

1 sense of luminescent

Sense 1
luminescent -- (emitting light not caused by heat)
       => light (vs. dark) -- (characterized by or emitting light; "a room that is light when the shutters are open"; "the inside of the house was airy and light")