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.
It’s a fine line because, yes, you may have good reason to be on alert if you hear more stories of your mother giving a neighbor thousands of dollars for doing a relatively menial job.
From MarketWatch ● Sep. 22, 2026
The State Department recently warned fans attending games in Mexico to be on alert for pickpockets and scams, and to avoid hailing roadside taxis.
From The Wall Street Journal ● Jun. 11, 2026
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
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
Lately, I felt like I always had to be on alert for the next raccoon invasion.
From "Crenshaw" by Katherine Applegate
