vigilant
vi juh luhnt
- s carefully observant or attentive; on the lookout for possible danger
the vigilant eye of the town watch
- Whatever else we learn about this attack, it is a reminder of the threats we continue to face at home and the importance of remaining vigilant.
- Last week, the National Agricultural Aviation Association, a crop dusters trade group, posted a message from the FBI to its membership: "Members should be vigilant to any .
- Be vigilant about stopping this kind of talk.