Definition of crepuscular in English:


Syllabification: cre·pus·cu·lar
Pronunciation: /krəˈpəskyələr


  • 1Of, resembling, or relating to twilight.
    More example sentences
    • It's a well-worn dichotomy, but the song's gently strummed guitar and the high, wending melody that draws nearer, moving like mysterious lights in the crepuscular sky, invest it with new promise.
    • Deskbound in the yellow room during the crepuscular hour, I'm typing scientific syntax, window flung open.
    • It felt good to stretch my legs walking up the hill and the flowers were glorious in the crepuscular light.
  • 1.1 Zoology (Of an animal) appearing or active in twilight.
    More example sentences
    • Red foxes are terrestrial and either nocturnal or crepuscular.
    • Thus it may normally be crepuscular or nocturnal in its feeding and swimming behavior.
    • Most communication systems in luminescent fireflies have been studied in nocturnal species; little is known concerning communication in crepuscular and diurnal species.


mid 17th century: from Latin crepusculum 'twilight' + -ar1.

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