Found 2 items, similar to lightless.
English → English (WordNet)
Definition: lightless
lightless
adj 1: giving no light; "lightless stars `visible' only to radio
antennae"
2: without illumination;
“came up the lightless stairs”;
“the
unilluminated side of Mars”;
“through dark unlighted (or
unlit) streets” [syn:
unilluminated,
unlighted,
unlit]
English → English (gcide)
Definition: Lightless
Lightless
\Light"less\, a.
Destitute of light; dark. --Shak.
[1913 Webster]