be vigilant

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The takeaway from your letter — and the lesson for readers — is that it’s important to be vigilant.

From MarketWatch • May 11, 2026

He believes most of the fires are started maliciously to burn vegetation and that people in the wider community have to be vigilant and also be prepared to "call it out, that it's not acceptable".

From BBC • May 2, 2026

“We have to be vigilant but there is no need to rush into action.”

From The Wall Street Journal • Mar. 27, 2026

Hochman advised that people be vigilant of their surroundings, call 911 if something appears suspicious of if they’re being followed, park in well-lit areas, and lock car doors immediately after getting in the vehicle.

From Los Angeles Times • Feb. 10, 2026

At Princeton, it seemed the only thing I needed to be vigilant about was my studies.

From "Becoming" by Michelle Obama