noun
- 1.the soft glowing light from the sky when the sun is below the horizon, caused by the refraction and scattering of the sun's rays from the atmosphere.
synonyms: half-light, semidarkness, dimness, gloom
"it was scarcely visible in the evening twilight" - 2.a period or state of obscurity, ambiguity, or gradual decline.
"he was in the twilight of his career"
synonyms: decline, waning, downturn, ebb;