Main Entry: twi·light

Pronunciation: \ˈtwī-ˌlīt\

Function: noun

Usage: often attributive

Date: 15th century

1 : the light from the sky between full night and sunrise or between sunset and full night produced by diffusion of sunlight through the atmosphere and its dust; also : a time of twilight
2 a : an intermediate state that is not clearly defined <lived in the twilight of neutrality — Newsweek> b : a period of decline <the twilight of a great career>