Twilight /(?)/

Twi·light

Twilight

n.
  1. The light perceived before the rising, and after the setting, of the sun, or when the sun is less than 18° below the horizon, occasioned by the illumination of the earth's atmosphere by the direct rays of the sun and their reflection on the earth.
  2. faint light; a dubious or uncertain medium through which anything is viewed.
    As when the sun . . . from behind the moon, In dim eclipse, disastrous twilight sheds.
    The twilight of probability.

Twilight

a.
  1. Seen or done by twilight.
  2. Imperfectly illuminated; shaded; obscure.
    O'er the twilight groves and dusky caves.