vigilant
1 of 1adjective/ˈvɪdʒələnt/
Forms:more vigilant,most vigilant
1
cautious and attentive of one's surrounding, especially to detect and respond to potential dangers or problems
C2- The security guard remained vigilant throughout the night, monitoring the premises for any suspicious activity.
- It's important to stay vigilant while driving, especially in adverse weather conditions.
- The parents were vigilant about supervising their children at the playground to prevent accidents.
- The cybersecurity team remained vigilant against potential cyber threats, monitoring network activity for any signs of intrusion.
- The citizens formed a neighborhood watch group to remain vigilant against burglaries and vandalism.