A period of time at the end of the day shortly after sunset during which the light fades gradually.
Time period between complete darkness and sunrise or sunset.
a state of diffused or dim illumination
lighted by or as if by twilight; "The dusky night rides down the sky/And ushers in the morn"-Henry Fielding; "the twilight glow of the sky"; "a boat on a twilit river"
the diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth
a condition of decline following successes; "in the twilight of the empire"
the time of day immediately following sunset; "he loved the twilight"; "they finished before the fall of night"