on the alert
IdiomsExample Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In response to the floods, the worst in 30 years, authorities were on the alert, reinforcing earthen barriers and preparing to evacuate if needed.
From Barron's ● Jun. 2, 2026
Also be on the alert for any signs your financial adviser is sure we’re in—or not in—a bubble.
From The Wall Street Journal ● May 8, 2026
But the WHO said the certification was only "the beginning of a new phase", urging Egypt to be on the alert to preserve its malaria-free status.
From BBC ● Oct. 20, 2024
The intelligence community is on the alert for spies looking to penetrate America’s commercial space sector through cyberattacks and strategic investments to gain access to critical networks.
From Washington Times ● Aug. 22, 2023
Fortunately, Scragg the weasel was on the alert.
From "Redwall" by Brian Jacques
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
