Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “vigilance”

vigilance

noun [U] uk   /ˈvɪdʒ.ɪ.ləns/ us  
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 from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of vigilance?
Browse related topics

You are looking at an entry to do with Cautious and vigilant, but you might be interested in these topics from the Protecting and saving topic area:

Add Cambridge dictionaries to your browser to your website

Word of the Day

pint

a measure for liquid equal to about half a litre

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More