(adj-i) (1) (uk) dark
gloomy
(2) dark (in colour)
dull
(3) depressed
dispirited
(4) sorrowful
bitter (as in a dark past)
(5) unclear
unfamiliar
unknown
(P)
(n) dark color
dark colour
(adj-i) dusky
dim
shady
(adj-i) dusky
dim
shady
(adj-i) dim
gloomy
(P)
(adj-i) gloomy
obscure
(adj-i) gloomy
obscure
(n) shadowy past
(adj-i) shady
back or underhanded
(adj-i) dark even in the daytime
(adj-i) dark even in the daytime
(n) shady matters
questionable matters
(n) know little of the world
(n) shady matters
questionable matters
(exp) to feel gloomy
(exp) it's always darkest before the dawn
the darkest hour is just before the dawn