Dictionary definition of vigilant

1. She was a vigilant security guard, always on the lookout for potential threats.
2. He was a vigilant parent, always careful to keep his children safe.
3. The vigilant police officers were able to quickly detect and respond to the crime.
4. She was a vigilant neighbor, always alert to any suspicious activity in the area.
5. He was a vigilant driver, always paying attention to the road and other vehicles.
6. She was a vigilant employee, always careful to follow safety protocols.
7. He was a vigilant watchdog, always alert to any potential dangers.
8. The vigilant security system was able to detect and prevent the break-in.
9. She was a vigilant teacher, always attentive to the needs of her students.
10. The Department of Defense remain vigilant to threats against homeland security.
11. He was a vigilant manager, always on the lookout for potential problems or issues.
12. The vigilant team of lifeguards were able to quickly rescue the swimmers in distress.
13. The security guard remained vigilant throughout the night shift.
14. Being vigilant while driving can prevent accidents.
15. Parents need to be vigilant about their children's safety.
16. The detective was vigilant in tracking down the suspect.
17. A vigilant attitude is essential in safeguarding our environment.
18. In a competitive market, businesses must stay vigilant.
19. Soldiers must be vigilant during times of conflict.
20. Vigilant citizens reported the suspicious activity to the police.
21. It's wise to stay vigilant against online scams and fraud.
22. The lifeguard remained vigilant by the poolside.
23. Vigilant consumers carefully check product labels.
24. A vigilant approach to cybersecurity is crucial in the digital age.