- the soft, diffused light from the sky when the sun is below the horizon, either from daybreak to sunrise or, more commonly, from sunset to nightfall.
- the period in the morning or, more commonly, in the evening during which this light prevails.
- a terminal period, especially after full development, success, etc.: the twilight of his life.
- a state of uncertainty, vagueness, or gloom.
- of, relating to, or resembling twilight; dim; obscure: in the twilight hours.
- appearing or flying at twilight; crepuscular.
- the soft diffused light occurring when the sun is just below the horizon, esp following sunset
- the period in which this light occurs
- the period of time during which the sun is a specified angular distance below the horizon (6°, 12°, and 18° for civil twilight, nautical twilight, and astronomical twilight, respectively)
- any faint light
- a period in which strength, importance, etc, are waning
- (modifier)
- of or relating to the period towards the end of the day
- of or relating to the final phase of a particular era
- denoting irregularity and obscurity