Definition of vigilance in English:

vigilance

Syllabification: vig·i·lance
Pronunciation: /ˈvijələns
 
/

noun

The action or state of keeping careful watch for possible danger or difficulties.
More example sentences
  • Constant vigilance is the only possible response to the terrifying Rise of The Machines.
  • In a situation that we face today constant vigilance and care are imperative.
  • The watch and vigilance of the learned members of the judiciary effectively supplements their role.

Origin

late 16th century: from French, or from Latin vigilantia, from vigilare 'keep awake', from vigil (see vigil).

Definition of vigilance in:

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Pronunciation: wiːn
verb
be of the opinion; think or suppose