vig·i·lance

[vij-uh-luhns]
noun
1.
state or quality of being vigilant; watchfulness: Vigilance is required in the event of treachery.
2.
Pathology, insomnia.

Origin:
1560–70; alteration (-ance for -ancy) of obsolete vigilancy < Latin vigilantia; see vigilant, -ancy

hy·per·vig·i·lance, noun
non·vig·i·lance, noun
pre·vig·i·lance, noun
su·per·vig·i·lance, noun


1. alertness, attention, heedfulness, concern, care.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To vigilance
00:10
Vigilance is always a great word to know.
So is slumgullion. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a scrap or morsel of food left at a meal.
Collins
World English Dictionary
vigilance (ˈvɪdʒɪləns) [Click for IPA pronunciation guide]
 
n
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 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

vigilance
1560s, from Fr. vigilance, from L. vigilantia "wakefulness," from vigilia (see vigil).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
It takes practice, vigilance, and a knowledge of the types of errors you
  yourself tend to make.
Every other duty of his station he discharged with extraordinary vigilance and
  fidelity during twenty-two years' administration.
If you or a loved one is admitted to the hospital at night or on the weekend,
  extra vigilance is in order.
They reported the same nightmares, the same panics, the same hair-trigger
  vigilance their parents had.
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