1
as in carefulness
a close attentiveness to avoiding danger
drove through the fog with extra alertness, as the road signs repeatedly warned of deer and moose crossings
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in watchfulness
the state of being constantly attentive and responsive to signs of opportunity, activity, or danger
we observed the U.S. border patrol's intensified alertness for drug smugglers at the border stations
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for alertness
Noun
-
So, out of an abundance of caution, in 1999 the AAP and the U.S. Public Health Service issued a joint statement that recommended that thimerosal be removed from childhood vaccines.—
Tara Haelle,
Scientific American,
25 June 2025 -
For Mowry, cancelling flights and erring on the side of caution is integral to the aviation industry’s prioritization of passenger safety and experience navigating crises.—
Lily Mae Lazarus,
Fortune,
25 June 2025
Noun
-
Extra protection steps Protecting your online accounts requires vigilance and knowledge of the best security practices.—
Kurt Knutsson,
FOXNews.com,
29 June 2025
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Even when exhaustion dulled my vigilance, my worries didn’t disappear.—
David Litt
June 25,
Literary Hub,
25 June 2025
Noun
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The cooling station — a partnership among Gastonia, Gaston County and HealthNet Gaston, the lead agency for the county’s continuum of care — opened Friday after the community raised concerns about the need for a place for the unhoused to escape the heat.—
Briah Lumpkins,
Charlotte Observer,
1 July 2025
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However, the law still will prevent some immigrants from accessing services such as soup kitchens, prenatal care and crisis counseling.—
Carolyn Komatsoulis,
Idaho Statesman,
1 July 2025
Noun
-
In early February, Olivier Giroud, the French striker who plays for Los Angeles FC, had his home targeted and $500,000 worth of jewelry and watches stolen, sources said.—
Richard Winton,
Los Angeles Times,
27 June 2025
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Jeannie was already glancing with impatience at her watch.—
Helen Schulman,
The Atlantic,
26 June 2025
Noun
-
In all negotiations, prudence cannot be sacrificed.—
Ira Winderman,
Sun Sentinel,
18 June 2025
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Waugh: Fundamentally, Newcastle want to significantly bolster Howe’s squad while maintaining financial prudence.—
Chris Waugh,
New York Times,
12 June 2025
Noun
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Under the sheriff’s policies and procedures, Ornelas would have been flagged in the jail’s electronic medical records system as requiring behavioral health services — an alert that should have shown up when he was booked in June 2023, the lawsuit says.—
Kelly Davis,
San Diego Union-Tribune,
5 July 2025
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Just in time for holiday festivities, the Southwest Ohio Air Quality Agency has issued an air quality alert for Fourth of July weekend in Greater Cincinnati.—
Hailey Roden,
The Enquirer,
4 July 2025
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Cite this Entry
“Alertness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/alertness. Accessed 9 Jul. 2025.
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