Dictionary definition · twilight
noun
- the time of day immediately following sunset"he loved the 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
- a condition of decline following successes"in the twilight of the empire"
adjective
- lighted by or as if by twilight"The dusky night rides down the sky / And ushers in the morn"
Source: Open English WordNet (CC BY 4.0).