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
Brooke Baitinger, Sacbee.com, 30 May 2025
As Robinhood has expanded its sports prediction markets, adding Indy 500 and French Open event swaps to its arsenal this month, the U.S. gambling industry establishment has remained on alert.
—Dan Bernstein, Sportico.com, 30 May 2025
Julia Marnin, Miami Herald, 29 May 2025
One lone firefighter spotted an outpouring of smoke from a building in the Financial District on Wednesday, alerting the department and leading to a quick evacuation of the occupants.
—Grace Zokovitch, Boston Herald, 29 May 2025
Michael Dorgan , Alexandra Koch, FOXNews.com, 17 May 2025
The sheriff's office has released an image of the kayak model Valencia used and is encouraging boaters and lake visitors to remain alert.
—Jenna Dejong, MSNBC Newsweek, 16 May 2025
See All Example Sentences for alert
Noun
The resident who lives there told KSBW his security camera system sent multiple alerts to his phone, the outlet reported.
—Brooke Baitinger, Sacbee.com, 30 May 2025
As Robinhood has expanded its sports prediction markets, adding Indy 500 and French Open event swaps to its arsenal this month, the U.S. gambling industry establishment has remained on alert.
—Dan Bernstein, Sportico.com, 30 May 2025
Verb
On May 23, a few days before Mooney is accused of taking his political opponent’s sign, the other candidate for town supervisor alerted state police, reporting his sign was stolen from his friend’s lawn, according to authorities.
—Julia Marnin, Miami Herald, 29 May 2025
One lone firefighter spotted an outpouring of smoke from a building in the Financial District on Wednesday, alerting the department and leading to a quick evacuation of the occupants.
—Grace Zokovitch, Boston Herald, 29 May 2025
Adjective
Authorities said that some fugitives may have left the city or the state of Louisiana, and the public have been urged to stay alert, not be alarmed and report any tips.
—Michael Dorgan , Alexandra Koch, FOXNews.com, 17 May 2025
The sheriff's office has released an image of the kayak model Valencia used and is encouraging boaters and lake visitors to remain alert.
—Jenna Dejong, MSNBC Newsweek, 16 May 2025
See All Example Sentences for alert
Recent Examples of Synonyms for alert
Noun
-
The orders were later reduced to warnings, and the last of the warnings was lifted about 8:30 p.m. Sunday.—
David Garrick,
San Diego Union-Tribune,
2 June 2025
-
This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service.—
CA Weather Bot,
Sacbee.com,
1 June 2025
Verb
-
Landsbergis’ own Plan B starts with his home region, the Baltic countries, which have been among the most stalwart in warning the world about Russian aggression and providing aid for Ukraine.—
Tamar Jacoby,
Forbes.com,
28 May 2025
-
Bolden, who’d warned about lax security practices around President John F. Kennedy, was charged in 1964 with attempting to sell a copy of a Secret Service file to a ring of counterfeiters.—
Kori Rumore,
Chicago Tribune,
28 May 2025
Adjective
-
Mississippi Pork Chops Cook Mode (Keep screen awake) Ingredients 4 1-inch boneless pork loin chops 1/2 tsp.—
Sarah Martens,
Better Homes & Gardens,
29 May 2025
-
Aggressive verbal or physical outbursts, wandering, sleeping during the day and being awake all night are some examples.—
Carolyn Rosenblatt,
Forbes.com,
29 May 2025
Adjective
-
The Chiefs, who have a history of being cautious with their rookies during summer practices, nonetheless had Simmons participate in non-team drills during rookie minicamp last month.—
Jesse Newell,
Kansas City Star,
3 June 2025
-
Here are some tips to choose high-quality olive oil: Be cautious with olive oils that bear significantly lower prices.—
Sohaib Imtiaz,
Verywell Health,
2 June 2025
Adjective
-
Designing the Future of AI Artificial intelligence is powering a new generation of tools that combine logic with intelligent action.—
William Jones,
USA Today,
28 May 2025
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By freeing physicians from the need to be behind their computers during appointments, these intelligent assistants enable a more personal and engaging interaction with patients.—
Rakhee Langer,
Forbes.com,
28 May 2025
Adjective
-
The original rat killer Published April 25, 2007 With one quick flick of his wrist, Scott Mellanby felled a rodent and became part of South Florida sports lore.—
Jeff Kleinman,
Miami Herald,
3 June 2025
-
No matter how small your business, here is a quick blueprint for strengthening your defense against common cyber threats: Start with the basics.—
Harry Kazakian,
Forbes.com,
3 June 2025
Noun
-
The two limited-edition watches include the men’s Rainbow Mosaic, a clear multi-function watch with a rainbow face, and the Rainbow Logo, a women’s clear analog watch with a rainbow double G logo.—
Angela Velasquez,
Sourcing Journal,
3 June 2025
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Harmon highlights Angel Studios’ innovative payment system for filmmakers, which is based on watch time for a film or show per month on the Angel Studios platform as a percentage of the entire watch time for all the content available.—
Melanie Goodfellow,
Deadline,
3 June 2025
Adjective
-
Residents are advised to remain vigilant for health and fire risks during the peak heat advisory period and to follow all safety recommendations from public health and weather agencies.—
Anna Skinner,
MSNBC Newsweek,
27 May 2025
-
Recent attempts to use a domestic tragedy as an excuse to restrict homeschooling in the state remind us to be vigilant.—
Peter Wolfgang,
National Review,
27 May 2025
Cite this Entry
“Alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/alert. Accessed 10 Jun. 2025.
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