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.
The league is on the alert regarding head injuries, but nobody is sure why there are more concussions this season than previously.
From Los Angeles Times • Jun. 15, 2026
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
The president said officials would be on the alert for signs of prices being unfairly hiked in the event of potential shortages.
From BBC • Oct. 1, 2024
She pressed the bell button three times before she entered the hallway so that Mama could be on the alert and make sure that Francie wouldn’t be attacked by someone lurking in the hallways.
From "A Tree Grows in Brooklyn" by Betty Smith
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.
