What does "vigilance" mean?

Vigilance: Watchfulness in respect of danger; care; caution; circumspection. Cowper. And flaming ministers to watch and tend Their earthly charge; of these the vigilance I dread. Milton.

Additional senses

  1. 2.Guard; watch. [Obs.] "In at this gate none pass the vigilance here placed." Milton. Vigilance committee, a volunteer committee of citizens for the oversight and protection of any interest, esp. one organized for the summary suppression and punishment of crime, as when the processes of law appear inadequate.

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