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
-
These trends highlight the need for continued vigilance and action at all levels of government to protect homeowners and renters from predatory tactics.—
J.B. Jennings,
Baltimore Sun,
18 June 2025
-
The league says vigilance is key, especially for non-motorized watercraft — powerboats, kayaks, paddleboards, e-foils, fishing gear, water shoes and even floaties — since mussels can survive without water for more than a week, reproduce rapidly and tolerate a wide range of habitat conditions.—
Rebecca-Ann Jattan,
Sacbee.com,
17 June 2025
Noun
-
Eliana, a 33 year-old nurse in the hospital’s plastic surgery department, was among the mothers who gave birth in the past week, entrusting her own colleagues with her care under fire.—
NBC News,
NBC news,
20 June 2025
-
Pet the gentle animals, learn about their care, and shop for ultra-soft alpaca fleece products, like socks, gloves, and scarves.—
Erin Gifford,
Southern Living,
20 June 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
-
The limited series improved by about 11 percent over the 1.36 billion minutes of watch time for its premiere week.—
Rick Porter,
HollywoodReporter,
26 June 2025
Noun
-
In all negotiations, prudence cannot be sacrificed.—
Ira Winderman,
Sun Sentinel,
18 June 2025
-
Waugh: Fundamentally, Newcastle want to significantly bolster Howe’s squad while maintaining financial prudence.—
Chris Waugh,
New York Times,
12 June 2025
Noun
-
According to Reuters, the base was placed on high alert, and the threat was linked to the possibility of an Iranian missile attack in response to the U.S. strikes on nuclear facilities on Saturday night.—
Gabe Whisnant,
MSNBC Newsweek,
23 June 2025
-
The Army has been at the third of four levels of alert at most places in the region, the official said.—
Tom Vanden Brook,
USA Today,
23 June 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Cite this Entry
“Alertness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/alertness. Accessed 1 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share