Adjective twilight has 1 sense
- dusky, twilight, twilit - 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"
Antonym: light (indirect, via dark)
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Noun twilight has 3 senses
- twilight, dusk, gloaming, nightfall, evenfall, fall, crepuscule, crepuscle - the time of day immediately following sunset; "he loved the twilight"; "they finished before the fall of night"
--1 is a kind of hour, time of day
--1 is a part of evening, eve, eventide
--1 has particulars: night
- twilight - the diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth
--2 is a kind of light, visible light, visible radiation
- twilight - a condition of decline following successes; "in the twilight of the empire"
--3 is a kind of decline, declination
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