Dark

fosc

(having an absolute or relative lack of light)

fosc

(not bright or light, deeper in hue)

maligne

(without moral or spiritual light)

obscur

(having an absolute or relative lack of light)

obscur

(hidden, secret)

obscur

(not bright or light, deeper in hue)

sinistre

(without moral or spiritual light)

foscor

(a complete or partial absence of light)

obscuritat

(a complete or partial absence of light)