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vigilance

[vij-uh-luh ns] /ˈvɪdʒ ə ləns/
noun
1.
state or quality of being vigilant; watchfulness:
Vigilance is required in the event of treachery.
2.
Pathology, insomnia.
Origin
1560-1570
1560-70; alteration (-ance for -ancy) of obsolete vigilancy < Latin vigilantia; see vigilant, -ancy
Related forms
hypervigilance, noun
nonvigilance, noun
previgilance, noun
supervigilance, noun
Synonyms
1. alertness, attention, heedfulness, concern, care.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for vigilance
  • And yet, despite setbacks and constant self-vigilance, both could finally begin to see the glimmer of another possibility.
  • Unfortunately, the preservation of shared governance requires vigilance-and even fierceness-on the part of faculty members.
  • Yet he has slipped away in a lapse of adult vigilance.
  • The history of the art form depends on the critic's vigilance and his eloquence.
  • But a clipping recently landed on my desk that reminded me that vigilance, eternal it would seem, is indeed the price of liberty.
  • Cats could hunt the rodents attracted to the settlements without constant fear and vigilance against larger predators.
  • To detect and record them would require constant vigilance of millions of stars over many years with hundreds of telescopes.
  • For example, precocial chicks of geese and ducks spend much of the day feeding under vigilance of parents.
  • With so little scientific research and far too much pseudo science the subject is unlikely to be solved by our vigilance alone.
  • It takes practice, vigilance, and a knowledge of the types of errors you yourself tend to make.
British Dictionary definitions for vigilance

vigilance

/ˈvɪdʒɪləns/
noun
1.
the fact, quality, or condition of being vigilant
2.
the abnormal state or condition of being unable to sleep
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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Word Origin and History for vigilance
n.

1560s, from French vigilance, from Latin vigilantia "wakefulness," from vigilia (see vigil).

Online Etymology Dictionary, © 2010 Douglas Harper
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15
20
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