crepuscular

/krɪˈpʌskjələr/
adjective
  1. Relating to or resembling twilight; dim or indistinct.
    • The crepuscular light made it hard to see the path ahead.
    • The painting used crepuscular colors to create a mood of mystery.
    • She enjoyed the crepuscular atmosphere of the old library at closing time.
  2. (of animals) Active during twilight, especially at dawn and dusk.
    • Many deer are crepuscular, feeding at dawn and dusk to avoid predators.
    • The zoo's crepuscular animals, like the red panda, are most active during the early morning and late evening.
    • Rabbit owners know their pets are crepuscular, so they provide food and playtime at sunrise and sunset.
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