DictionaryvigilanceWatchful attention
noun

vigilance

VIJ-uh-luhns/ˈvɪdʒɪləns/

Careful attention to possible danger or trouble.

The ranger's vigilance keeps her alert to possible danger in the woodland.

A Black female park ranger scans the woodland with binoculars for possible danger, careful alert posture.
Etymology

Latin vigilantia combines the ideas of wakefulness and attentive watching. Vigilance applies that alertness to discovering or guarding against danger, rather than simply remaining awake.

In context

Enhanced Public Domain102:51
care and vigilance with a very common understanding May preserve a man's goods from thieves
1700s Satire: Jonathan Swift - Gulliver's Travels (Audiobook)

More examples

  • Avoiding online scams requires constant vigilance.
  • The nurse's vigilance helped catch the infection early.
  • Dry conditions call for extra vigilance against wildfires.

Forms

vigilant adjective — Carefully watching for danger or trouble.

vigilantly adverb — With careful attention to possible danger.

Similar words

alertness
Emphasizes readiness to notice and react quickly to changes.
watchfulness
Emphasizes sustained observation, not necessarily concern about possible danger.