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English definition of “vigilance”

vigilance

noun [U]     /ˈvɪdʒ.ɪ.ləns/
more careful attention, especially in order to notice possible danger: The police said that it was thanks to the vigilance of a neighbour that the fire was discovered before it could spread.Cautious and vigilantPaying attention and being careful
(Definition of vigilance noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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