1. Devoid of or deficient in light or brightness; shadowed or black
   "dark shadows"; "dark as the inside of a black cat"; "sitting in a dark corner"; "a dark day"
    
2. (used of colour) having a dark hue
   "dark colours like wine red or navy blue"; "dark green"; "dark glasses"
    
3. Brunet (used of hair, skin or eyes)
   "dark eyes"
    
4. Stemming from evil characteristics or forces; wicked or dishonourable
   "Darth Vader of the dark side"; "a dark purpose"; "dark undercurrents of ethnic hostility";
   - black, sinister
    
5. Showing a brooding ill humour
   "a dark scowl";
   - dour, glowering, glum, moody, morose, saturnine, sour, sullen
    
6. Lacking enlightenment, knowledge or culture
   "the dark ages"; "a dark age in the history of education";
   - benighted
    
7. Secret
   "keep it dark"
    
8. Marked by difficulty of style or expression
   "much that was dark is now quite clear to me";
   - obscure
    
9. Causing dejection
   "the dark days of the war"; "a dark gloomy day";
   - blue [informal], dingy, disconsolate, dismal, gloomy, grim, sorry, drab, drear, dreary
    
10. Not giving performances; closed
    "the theatre is dark on Mondays"

1. Absence of light or illumination
   "We stumbled around in the dark after the power went out";
   - darkness
    
2. An unilluminated area
   "he moved off into the dark";
   - darkness, shadow
    
3. The time after sunset and before sunrise while it is dark outside
   "The city lights twinkled in the dark sky";
   - night, nighttime
    
4. An unenlightened state
   "he was in the dark concerning their intentions";
   - darkness
    
5. Absence of moral or spiritual values
   "The murderer's actions revealed the dark within his soul";
   - wickedness, darkness

Derived forms: darker, darkest, darks

See also: Acheronian, Acherontic, aphotic, black, brunet [US], brunette, caliginous, cheerless, Cimmerian, concealed, crepuscular, darkened, darkening, darkish, darkling, depressing, dim, dusky, evil, gloomful [archaic], glooming [archaic], gloomy, ill-natured, inactive, incomprehensible, light, lightless, lightness, pitch-black, pitch-dark, semidark, Stygian, subdued, sulky, tenebrific, tenebrious, tenebrous, twilight, twilit, uncheerful, uncomprehensible, unenlightened, unilluminated, unlighted, unlit, value

Type of: condition, illumination, period, period of time, scene, status, time period, time span, unenlightenment

Antonym: light

Part of: 24-hour interval, day, mean solar day, solar day, twenty-four hour period, twenty-four hours

Encyclopedia: Dark, John