crepuscular

[kri-puhs-kyuh-ler] Example Sentences Origin

cre·pus·cu·lar

[kri-puhs-kyuh-ler]
adjective
1.
of, pertaining to, or resembling twilight; dim; indistinct.
2.
Zoology. appearing or active in the twilight, as certain bats and insects.

Origin:
1660–70; crepuscule + -ar1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Crepuscular is always a great word to know.
So is reptile. Does it mean:
phylum of worms comprised of parasitic and free-living nonparasitic species
cold-blooded vertebrate such as turtles, snakes, lizards, crocodilians, amphisbaenians and tuatara
Example Sentences
  • The crepuscular lighting sometimes makes it difficult to read the menu.
  • Shea maneuvered around the crepuscular world of back rooms, board rooms and banquet halls.
  • Crepuscular creatures began to stir with the dying of the light.
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Collins
World English Dictionary
crepuscular (krɪˈpʌskjʊlə)
 
adj
1.  of or like twilight; dim
2.  (of certain insects, birds, and other animals) active at twilight or just before dawn
 
[C17: from Latin crepusculum dusk, from creper dark]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Dictionary.com's 21st Century Lexicon
Main Entry:  crepuscular1
Part of Speech:  adj
Definition:  pertaining to twilight, esp. in dimness
Etymology:  Latin crepusculum
Main Entry:  crepuscular2
Part of Speech:  adj
Definition:  appearing or active at twilight
Etymology:  Latin crepusculum
Usage:  zoology
Dictionary.com's 21st Century Lexicon
Copyright © 2003-2012 Dictionary.com, LLC
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Etymonline
Word Origin & History

crepuscular
fig. use from 1660s; lit. use from 1755, from L. crepusculum "twilight." Especially of morning twilight.
Online Etymology Dictionary, © 2010 Douglas Harper
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