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
Anna Skinner, MSNBC Newsweek, 28 July 2025
Jim waits 45 minutes after sending a trade alert before buying or selling a stock in his charitable trust's portfolio.
—Jim Cramer, CNBC, 28 July 2025
Franklin Foer, The Atlantic, 28 July 2025
Denver police have been alerted to the issue as well, Kuhn said.
—Elise Schmelzer, Denver Post, 28 July 2025
Amanda Castro, MSNBC Newsweek, 17 July 2025
Since then, the small town of roughly 3,000 has focused on rebuilding itself with a potential flood like that in mind, installing new safety measures and alert systems with financial help from the state.
—Kat Lonsdorf, NPR, 16 July 2025
See All Example Sentences for alert
Noun
The alert aims to protect vulnerable populations, including those with heart and respiratory conditions, children, and older adults, and highlights the risk of smoke—making indoor environments unsafe for some residents.
—Anna Skinner, MSNBC Newsweek, 28 July 2025
Jim waits 45 minutes after sending a trade alert before buying or selling a stock in his charitable trust's portfolio.
—Jim Cramer, CNBC, 28 July 2025
Verb
Its satellites have documented the melting of the polar ice caps and the destruction of forests, alerting humanity to the planet’s precarity.
—Franklin Foer, The Atlantic, 28 July 2025
Denver police have been alerted to the issue as well, Kuhn said.
—Elise Schmelzer, Denver Post, 28 July 2025
Adjective
Emergency responders are urging residents to stay alert as the storm continues to churn inland.
—Amanda Castro, MSNBC Newsweek, 17 July 2025
Since then, the small town of roughly 3,000 has focused on rebuilding itself with a potential flood like that in mind, installing new safety measures and alert systems with financial help from the state.
—Kat Lonsdorf, NPR, 16 July 2025
See All Example Sentences for alert
Recent Examples of Synonyms for alert
Noun
-
The warning signaled the potential for extreme fire behavior driven by strong winds and low humidity and comes in the middle of the Pacific hurricane season, which has already seen an active start.—
Anna Skinner,
MSNBC Newsweek,
1 Aug. 2025
-
As a result, trade data may serve as a lagging indicator of financial distress rather than providing early warning signals valuable for risk assessment.—
Charlie Minutella,
Forbes.com,
1 Aug. 2025
Verb
-
Last month state immigration advocates warned that arrests of undocumented immigrants were ramping up in the state, creating anxiety and fear in communities with people taken every day.—
Livi Stanford,
Hartford Courant,
14 July 2025
-
The National Weather Service discussion on Monday morning warned that extreme heat conditions would continue in the region as a high-pressure center lingers.—
Marshall Shepherd,
Forbes.com,
14 July 2025
Adjective
-
Without answers, the questions would keep them awake at night.—
Alexandra Skores,
CNN Money,
30 July 2025
-
By contrast, doing some movement in the back half of the day may delay your circadian rhythm a bit, which could benefit early birds who are looking to stay awake later into the night.—
Erica Sloan,
SELF,
30 July 2025
Adjective
-
Be cautious using public Wi-Fi Avoid logging into accounts on public Wi-Fi or always use a VPN.—
Kurt Knutsson,
FOXNews.com,
20 July 2025
-
No, things aren’t all roses, but at least some cautious optimism is in order.—
Bruce Yandle,
Boston Herald,
18 July 2025
Adjective
-
Operation Bounce House follows Oliver Lewis, a colonist on the planet New Sonora, who leads a simple life on his family ranch, playing with his band and tending to his family's selection of intelligent agriculture bots.—
Rachel Raposas,
People.com,
14 July 2025
-
These earbuds feature intelligent noise control, which removes up to twice as much background noise as previous AirPods models.—
BestReviews,
Mercury News,
11 July 2025
Adjective
-
Instead, use this time to wind down maybe by stretching, reading, journaling or even doing a quick emotional check-in.—
Mark Travers,
Forbes.com,
21 July 2025
-
The latest of the spacecraft, known as sounding rockets, most recently made a successful quick trip to space to study one of the most complex regions of the sun's atmosphere following a New Mexico launch.—
Eric Lagatta,
USA Today,
21 July 2025
Noun
-
The 47-year-old has amassed quite the watch collection over the past two decades.—
Rachel Cormack,
Robb Report,
21 July 2025
-
Almost 85 million Americans from South Dakota to Texas and North Carolina to Florida were already under National Weather Service extreme heat warnings, watches or advisories July 21.—
John Bacon,
USA Today,
21 July 2025
Adjective
-
This same accident-prone influence might apply to your pet, so be vigilant.—
Georgia Nicols,
Denver Post,
13 July 2025
-
Maine State Police are warning the community to stay vigilant but have not divulged the cause of death or any details about the crime scene, leaving Stewart’s family with questions and nearby residents with fears that a killer may be among them.—
Faith Karimi,
CNN Money,
12 July 2025
Cite this Entry
“Alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/alert. Accessed 4 Aug. 2025.
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