Meaning & Definition of Vigilant in English
1. Carefully observant or attentive
- On the lookout for possible danger
- "A policy of open-eyed awareness"
- "The vigilant eye of the town watch"
- "There was a watchful dignity in the room"
- "A watchful parent with a toddler in tow"
- argus-eyed ,
- open-eyed ,
- vigilant ,