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View synonyms for on the alert
on the alert
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Idioms and Phrases
Watchful, fully prepared, as in The inspectors are always on the alert for a manufacturing error . [Late 1700s]Advertisement
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.
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