be alert

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.

Smout urged everyone to be alert to the signs and symptoms of meningococcal meningitis and septicaemia, which can include a fever, headache, rapid breathing, drowsiness, shivering, vomiting and cold hands and feet.

From BBC • Apr. 17, 2026

Nvidia earnings ought to quell any major AI fears for now, but investors need to be alert for signs of who will be the winners and the losers.

From Barron's • Feb. 26, 2026

Investors will be alert to comments from top executives about future AI activity which could impact stocks and markets.

From Barron's • Feb. 16, 2026

"We are hopeful we can do this through diplomacy, although we can't be 100% sure," he reflected, adding Iran has "to be alert so we are not surprised".

From BBC • Feb. 15, 2026

After all, he knows his name has been in the papers—he must be alert to the possibility of people trying to get stories on him or information from him.

From "The Girl on the Train" by Paula Hawkins