1. The time of day immediately following sunset
   "he loved the twilight";
   - dusk, gloaming, gloam [archaic], nightfall, evenfall, fall, crepuscule, crepuscle
    
2. The diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth
   "The soft twilight created a magical atmosphere"
    
3. A condition of decline following successes
   "in the twilight of the empire"

1. Lighted by or as if by twilight
   "the twilight glow of the sky";
   - dusky, twilit

Derived forms: twilights

See also: dark

Type of: declination, decline, hour, light, time of day, visible light, visible radiation

Part of: eve, even, evening, eventide [archaic]

Encyclopedia: Twilight, PA