Definition of vigilance in English:

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Pronunciation: /ˈvɪdʒɪl(ə)ns/


[mass noun]
The action or state of keeping careful watch for possible danger or difficulties: security duties that demand long hours of vigilance
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.
watchfulness, careful observation, surveillance, attentiveness, attention, alertness, guardedness, carefulness, care, caution, cautiousness, wariness, chariness, circumspection, prudence, heedfulness, heed, mindfulness


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

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Line breaks: vigi|lance

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