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.
Gardeners and growers across the northern half of the UK will then need to be on alert on Saturday night as a frost is possible.
From BBC • May 9, 2026
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
After the Joshua Tree earthquake, the Governor’s Office of Emergency Services issued an advisory for Southern California, warning people to be on alert for another, larger earthquake.
From Los Angeles Times • Dec. 22, 2025
Anyone playing in the already-volatile small-cap arena should be on alert to avoid getting burned.
From Barron's • Nov. 18, 2025
Lately, I felt like I always had to be on alert for the next raccoon invasion.
From "Crenshaw" by Katherine Applegate
