be on 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.
The IMF chief said regulators should be on alert for any signs of instability in the financial system as a consequence of the conflict.
From The Wall Street Journal • Apr. 9, 2026
Anyone playing in the already-volatile small-cap arena should be on alert to avoid getting burned.
From Barron's • Nov. 18, 2025
Dog owners may need to be on alert for a disease many have never heard of — anaplasmosis, spread by the same tick that transmits Lyme disease.
From Los Angeles Times • Aug. 18, 2025
"Be careful, the enemy is losing in every direction," he added, telling them that this meant they were more likely to be on alert for infiltrators and spies.
From BBC • Dec. 19, 2024
Lately, I felt like I always had to be on alert for the next raccoon invasion.
From "Crenshaw" by Katherine Applegate
