adjective

with little or no light.

it’s too dark to see much

black,pitch black,pitch dark,inky,jet black,unlit,unlighted,unilluminated,ill-lit,poorly lit,starless,moonless,dim,dingy,gloomy,dusky,indistinct,shadowy,shady,leaden,overcast,sunless,crepuscular,tenebrous,Stygian,Cimmerian,Tartarean,caliginous