Definition of Vigilant

watchful, especially for danger or disorder

Examples of Vigilant in a sentence

Although this highway is a beautiful drive, you have to stay vigilant for deer and other animals in the road. 🔊

In the aftermath of the hurricane, the engineer had to stay vigilant as he looked far ahead for hazards on the track. 🔊

As the Secretary of Defense, it is your responsibility to remain vigilant to threats against Homeland Security. 🔊

Public opinion varies between the groups who demand that we be more vigilant about immigrants crossing our borders and those who prefer a more humanitarian approach. 🔊

With all the new ways of cheating that students are constantly coming up with, teachers have to be more vigilant than ever. 🔊

Amid rumors of an impending riot, extra guards were called in to keep a vigilant watch on the inmates. 🔊

Although she hated to admit it, Teresa realized that her bills were getting out of hand and she promised herself that she would be more vigilant about her spending habits. 🔊

That movie producer is always vigilant about new trends in entertainment so that he can take advantage of what people are interested in at the moment. 🔊

After the third robbery, the owner of the store finally realized that he hadn’t been vigilant enough about security and installed a cutting-edge alarm system. 🔊

If we want to end bullying in the schools, everyone needs to remain vigilant toward any type of discrimination. 🔊

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