July 30, 2026
vigilant
/ˈvɪdʒɪl(ə)nt/adjective
Staying alert and watchful for any danger or trouble.
Example sentences
- “Security staff remained vigilant throughout the event.”
- “A vigilant neighbor noticed the smoke and called the fire department.”
Usually follows 'remain' or 'stay' in official warnings: 'the public should remain vigilant'.