vigilance: Meaning and Definition of

vig•i•lance

Pronunciation: (vij'u-luns), [key]
— n.
  1. state or quality of being vigilant; watchfulness: Vigilance is required in the event of treachery.
  2. insomnia.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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