As an adjective unlighted
is not lit.
As a verb uplighted is
(uplight).
unlighted
English
Adjective
(-)
Not lit.
:I hate walking into an unlighted room; the monsters might eat me.
uplighted
English
Verb
(head)
(uplight) uplight
English
Noun
(
en noun)
A recessed light fixture that directs the light in an upward direction.
Verb
To illuminate from below.