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

noun

the absence of light in a place.

Carolyn was sitting in the dark

darkness,blackness,absence of light,gloom,gloominess,dimness,dullness,murk,murkiness,shadowiness,shadow,shade,shadiness,dusk,twilight,gloaming,tenebrosity