Similar Words to Twilight:

Crepuscle
Crepuscule
Dusk
Dusky
Evenfall
Fall
Gloam
Gloaming
Nightfall
Twilit

Examples:

1. Well, she's still in a twilight condition, not fully awake or fully asleep, but All right, you can see her.
2. You've read a book on economics or something "The Twilight of Feudalism" Yes, it was very well received Not by me!

Definitions of Twilight:

1. The time of day immediately following sunset
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
3. A condition of decline following successes
4. Lighted by or as if by twilight