sunset meaning and definition

SUNSET noun

Definition of sunset (noun)

1. the time in the evening at which the sun begins to fall below the horizon
   • synonyms: sundown
   • antonym: aurora
2. atmospheric phenomena accompanying the daily disappearance of the sun
3. the daily event of the sun sinking below the horizon

SUNSET adjective

Definition of sunset (adjective)

1. of a declining industry or technology
   • "sunset industries"
2. providing for termination
   • "a program with a sunset provision"