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
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Recent Examples of alert
Ruben Vives, Los Angeles Times, 9 Feb. 2025
Over 90 million people are under winter weather alerts from the Midwest to the Northeast, as a significant winter storm brings snow and ice this weekend.
—Nadine El-Bawab, ABC News, 8 Feb. 2025
Kristan Hawkins, Newsweek, 7 Feb. 2025
After the teen chambered a round, a staff member was able to flee to a back office and alerted the police, the airport said.
—Rebekah Riess, CNN, 5 Feb. 2025
Colson Thayer, People.com, 27 Jan. 2025
Met Éireann, the Irish Meteorological Service, has issued red warnings, its highest alert level, for wind for much of the country.
—Alexandra Banner, CNN, 24 Jan. 2025
See all Example Sentences for alert 
Noun
The group makes up 15% of the total population of these four areas, but researchers say the data point to a dearth in multilingual communication alerts about fire warnings, evacuation procedures and relief services.
—Ruben Vives, Los Angeles Times, 9 Feb. 2025
Over 90 million people are under winter weather alerts from the Midwest to the Northeast, as a significant winter storm brings snow and ice this weekend.
—Nadine El-Bawab, ABC News, 8 Feb. 2025
Verb
Authorities were first alerted to the missing aircraft around 4 p.m. local time.
—Kristan Hawkins, Newsweek, 7 Feb. 2025
After the teen chambered a round, a staff member was able to flee to a back office and alerted the police, the airport said.
—Rebekah Riess, CNN, 5 Feb. 2025
Adjective
Tracker, a diabetic alert dog, is trained to alert his owners when 5-year-old Paislee has low blood sugar.
—Colson Thayer, People.com, 27 Jan. 2025
Met Éireann, the Irish Meteorological Service, has issued red warnings, its highest alert level, for wind for much of the country.
—Alexandra Banner, CNN, 24 Jan. 2025
See all Example Sentences for alert
Recent Examples of Synonyms for alert
Noun
-
Officials in Los Angeles issued evacuation warnings ahead of a potent storm that could cause life-threatening flooding and debris flow in areas charred by the deadly wildfires that broke out across Southern California last month.—
Christopher Cann,
USA TODAY,
14 Feb. 2025
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The National Weather Service (NWS) Los Angeles said on X (formerly Twitter) that Los Angeles, Glendale and Santa Clarita are under a flash flood warning until 8 p.m. PT.—
Josh Hammer,
Newsweek,
14 Feb. 2025
Verb
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Ye’s ex-wife Kim Kardashian was apparently warned in advance by his assistant, and skipped the Grammys to take her son Saint, 8, to the movies.—
Richard Johnson,
New York Daily News,
9 Feb. 2025
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Law enforcement officials warned Trump last year that Tehran had placed operatives in the U.S. with access to surface-to-air missiles.—
Alex Isenstadt,
Axios,
9 Feb. 2025
Adjective
-
Jonathan O'Neill, an installation engineer from Cookstown, was startled awake by the raging storm and decided to venture outside to secure his garden.—
Justin Gest,
Newsweek,
11 Feb. 2025
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Once the driver was awake, he was identified as 24-year-old Christian Gonzalez, according to state police.—
Staff report,
Hartford Courant,
7 Feb. 2025
Adjective
-
Experts are cautious about making predictions, given the many legal and political factors at play.—
Asaf Elia-Shalev,
Sun Sentinel,
13 Feb. 2025
-
Forest have been more cautious with loans in the 2024-25 season.—
The Athletic UK Staff,
The Athletic,
13 Feb. 2025
Adjective
-
Chahine is clearly an intelligent person, and his experience in finance has obviously helped him during this esports journey, making decisions that traditional esports execs may not have made.—
Mike Stubbs,
Forbes,
8 Feb. 2025
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At once personal yet scientific, richly informative and beautifully written, The Genius of Birds celebrates the triumphs of these surprising and fiercely intelligent creatures.—
Kevin Spencer,
Twin Cities,
7 Feb. 2025
Adjective
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In a quick turnaround, Netflix has set a new venue for its annual post-BAFTA Film Awards party on Sunday, after its usual haunt, the Chiltern Firehouse, was evacuated amid a blaze on Friday afternoon.—
Nancy Tartaglione,
Deadline,
15 Feb. 2025
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Eating fatty, salty, and sugary foods triggers a quick release of dopamine.—
Allison Futterman,
Discover Magazine,
15 Feb. 2025
Noun
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For its brand Chopard, De Rigo unveiled the latest Red Carpet design inspired by the jeweler’s fine watch collection.—
Martino Carrera,
WWD,
14 Feb. 2025
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The position flourishes when an offensive lineman does his job, and that has led to NFL quarterbacks giving their offensive linemen gifts like Rolex watches, and more.—
Josh Hammer,
Newsweek,
14 Feb. 2025
Adjective
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Monday will start the new week with partly cloudy skies and a high of 58 F, with nighttime temperatures cooling to 43 F. Residents should remain vigilant for weather updates and prepare for possible shifts in conditions as the storm system progresses.—
Anders Fogh Rasmussen,
Newsweek,
5 Feb. 2025
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People of faith and conscience will need to be continually vigilant in this new political environment.—
Rev. Steven R. Jungkeit,
Hartford Courant,
4 Feb. 2025
Thesaurus Entries Near alert
Cite this Entry
“Alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/alert. Accessed 21 Feb. 2025.
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