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[kri-puhs-kyuh-ler] /krɪˈpʌs kyə lər/
of, relating to, or resembling twilight; dim; indistinct.
Zoology. appearing or active in the twilight, as certain bats and insects.
Origin of crepuscular
1660-70; crepuscule + -ar1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for crepuscular
Contemporary Examples
Historical Examples
  • crepuscular, kre-pus′kū-lar, adj. of or pertaining to twilight—also Crepus′culous.

  • It is blended twilight of intellect and sensation; it is the crepuscular of thought.

  • It is a weird, mysterious spot, like some crepuscular nook of paradise solely illumined by the gleaming stars of two tapers.

  • Some species of foxes, however, are twilight prowlers, and one or two of the fennecs are also crepuscular.

    The Young Yagers Mayne Reid
  • These crepuscular chambers at Vincigliata are a mystery and a challenge; they seem the mere propounding of an answerless riddle.

    Italian Hours Henry James
  • When my eyes unclosed the chamber of the moonstone walls was filled with a silvery, crepuscular light.

    The Metal Monster A. Merritt
  • The time was 4 A. M., and consequently was not due to any crepuscular light.

  • There is little need to dwell upon these crepuscular stirrings of popular Latin poetry in the earlier Middle Ages.

  • Standing in the crepuscular light of the corner, her marvellous beauty shone out with the vivid richness of some rare painting.

British Dictionary definitions for crepuscular


of or like twilight; dim
(of certain insects, birds, and other animals) active at twilight or just before dawn
Word Origin
C17: from Latin crepusculum dusk, from creper dark
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for crepuscular

appearing or active at twilight

Word Origin

Latin crepusculum

Usage Note

zoology's 21st Century Lexicon
Copyright © 2003-2014, LLC
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Word Origin and History for crepuscular

figurative use from 1660s; literal use from 1755, from Latin crepusculum "twilight, dusk," from creper "dusky," of unknown origin. Especially of evening twilight.

Online Etymology Dictionary, © 2010 Douglas Harper
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