1
as in warning
the act or an instance of telling beforehand of danger or risk
the white flash of the doe's raised tail, giving the "danger" alert to her fawns
Synonyms & Similar Words
Relevance
2
as in watchfulness
the state of being constantly attentive and responsive to signs of opportunity, activity, or danger
the doctor told the patient to be on the alert for any signs of infection
Synonyms & Similar Words
Antonyms & Near Antonyms
as in to warn
to give notice to beforehand especially of danger or risk
alerted us to the possibility that the roads would be flooded and we might have to take a detour
Synonyms & Similar Words
Antonyms & Near Antonyms
1
as in awake
paying close attention usually for the purpose of anticipating approaching danger or opportunity
she needed to stay alert throughout the train ride so as not to miss her stop
Synonyms & Similar Words
Antonyms & Near Antonyms
2
as in cautious
having or showing a close attentiveness to avoiding danger or trouble
warned us to be alert to the presence of pickpockets on the crowded bus
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in intelligent
having or showing quickness of mind
an alert and well-trained sheep dog who can handle difficult situations
Synonyms & Similar Words
Antonyms & Near Antonyms
4
as in quick
having or showing the ability to respond without delay or hesitation
an alert force of commandos, ready to go on a mission at a moment's notice
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
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Recent Examples of alert
Anna Skinner, MSNBC Newsweek, 24 Oct. 2025
Lexington Police Chief Lawrence Weathers said the shooting occurred after Remilien stopped a vehicle in connection to a license plate reader alert in the area of Versailles Road.
—Caroline Neal, Louisville Courier Journal, 24 Oct. 2025
Barbie Latza Nadeau, CNN Money, 25 Oct. 2025
This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe.
—Kurt Knutsson, FOXNews.com, 25 Oct. 2025
AFAR Media, 23 Oct. 2025
The baby was conscious and alert on the way to the hospital and she was admitted in stable condition, police said.
—Emily Shapiro, ABC News, 20 Oct. 2025
See All Example Sentences for alert
Noun
The alerts have been issued amid strong onshore winds, which are known to create hazardous surf and powerful rip currents.
—Anna Skinner, MSNBC Newsweek, 24 Oct. 2025
Lexington Police Chief Lawrence Weathers said the shooting occurred after Remilien stopped a vehicle in connection to a license plate reader alert in the area of Versailles Road.
—Caroline Neal, Louisville Courier Journal, 24 Oct. 2025
Verb
The man, named as 69-year-old Morimasa Hibino by the Japanese embassy, was spotted in the ditch next to the monument about seven meters (23 feet) below the street level by a priest who alerted authorities.
—Barbie Latza Nadeau, CNN Money, 25 Oct. 2025
This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe.
—Kurt Knutsson, FOXNews.com, 25 Oct. 2025
Adjective
Likewise, drivers should slow down and stay alert for animals crossing roads that might not be regularly patrolled.
—AFAR Media, 23 Oct. 2025
The baby was conscious and alert on the way to the hospital and she was admitted in stable condition, police said.
—Emily Shapiro, ABC News, 20 Oct. 2025
See All Example Sentences for alert
Recent Examples of Synonyms for alert
Noun
-
The blackout should come as little surprise to YouTube TV subscribers, who for the last week have seen announcements warning of a stalemate.—
Liam Reilly,
CNN Money,
31 Oct. 2025
-
The regulator is examining 142,600 units of the 2023-2024 Honda Pilot SUV for a possible malfunction in the rear seatbelt warning system, which may incorrectly alert drivers about passenger seatbelt usage.—
Nandan Mandayam,
USA Today,
30 Oct. 2025
Noun
-
This patience is watchfulness, not idleness.—
Francois Botha,
Forbes.com,
7 Sep. 2025
Verb
-
Macquarie’s head of economics, David Doyle, also speaking exclusively to Fortune, warned that this stimulus could fuel overheating by 2026 if inflation rebounds.—
Eleanor Pringle,
Fortune,
27 Oct. 2025
-
Haitians were warned the intensification of Melissa had increased the risks of flash floods and landslides.—
David J. Neal,
Miami Herald,
26 Oct. 2025
Adjective
-
But beneath the glamour and aesthetics, something deeper is keeping you awake past midnight.—
Valerie Mesa,
PEOPLE,
31 Oct. 2025
-
These parasomnias occur when the brain is partly awake and partly asleep.—
Brandon Peters,
Verywell Health,
29 Oct. 2025
Adjective
-
To be sure, Wall Street overall is bullish on stocks, with many of the big firms ditching their cautious tones and urging investors not to bet against the market.—
Sarah Min,
CNBC,
27 Oct. 2025
-
Today, she is classified as having No Evidence of Disease (NED), meaning all detectable signs and symptoms of cancer are gone, a hopeful yet cautious place.—
Tereza Shkurtaj,
PEOPLE,
25 Oct. 2025
Adjective
-
Conspiracy theorists claim intelligent aliens might be observing humanity’s weapons capabilities.—
Chris Young,
Interesting Engineering,
28 Oct. 2025
-
With the excitement and delusion of Humbert Humbert imposing a purple-prose narrative on his pedophilic assumptions, Hank speaks of his former student like a James Dean figure — beautiful, brooding and quietly intelligent.—
Jourdain Searles,
HollywoodReporter,
28 Oct. 2025
Adjective
-
Need a hearty soup that's quick, tasty, and healthy this season?—
Nellah Bailey McGough,
Southern Living,
30 Oct. 2025
-
This can be a quick way to improve your fiber intake without planning every meal.—
Merve Ceylan,
Health,
29 Oct. 2025
Noun
-
In this episode, Marshall sets back his watch anyway.—
Jenny Porter Tilley,
IndyStar,
27 Oct. 2025
-
The handsy thief also helped himself to the watch on my wrist.—
Katie Jackson,
Travel + Leisure,
26 Oct. 2025
Cite this Entry
“Alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/alert. Accessed 3 Nov. 2025.
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