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
Kansas City Star, 8 June 2025
The Los Angeles Police Department (LAPD) declared an unlawful assembly near Alameda and Temple streets after reports that protesters threw concrete pieces at officers, authorizing less-lethal munitions and initiating a citywide tactical alert.
—Adeola Adeosun, MSNBC Newsweek, 8 June 2025
CBS News, 9 June 2025
Identity theft companies can monitor personal information like your Social Security number, phone number and email address and alert you if it is being sold on the dark web or being used to open an account.
—Kurt Knutsson, FOXNews.com, 9 June 2025
Ca Weather Bot, Sacbee.com, 28 May 2025
But her watchful, alert bearing imbues the character with a sort of unspoken backstory.
—Leslie Felperin, HollywoodReporter, 22 May 2025
See All Example Sentences for alert
Noun
The traffic alert was reported Friday at 4:32 p.m., and the most recent report regarding this incident was released on Friday at 4:58 p.m.
Warning: Crash on eastbound K-10 in Olathe A crash has been reported on K-10 between South Woodland Street and Renner Boulevard.
—Kansas City Star, 8 June 2025
The Los Angeles Police Department (LAPD) declared an unlawful assembly near Alameda and Temple streets after reports that protesters threw concrete pieces at officers, authorizing less-lethal munitions and initiating a citywide tactical alert.
—Adeola Adeosun, MSNBC Newsweek, 8 June 2025
Verb
The Coast Guard also alerted the San Diego Fire Department Lifeguards about the crash, and lifeguards were able to find an oil sheen and some debris on the water.
—CBS News, 9 June 2025
Identity theft companies can monitor personal information like your Social Security number, phone number and email address and alert you if it is being sold on the dark web or being used to open an account.
—Kurt Knutsson, FOXNews.com, 9 June 2025
Adjective
Find the right time: Consider rescheduling strenuous activities to early morning or evening if possible.
Be alert to warning signs: Educate yourself about the signs and symptoms of heat exhaustion and heat stroke.
—Ca Weather Bot, Sacbee.com, 28 May 2025
But her watchful, alert bearing imbues the character with a sort of unspoken backstory.
—Leslie Felperin, HollywoodReporter, 22 May 2025
See All Example Sentences for alert
Recent Examples of Synonyms for alert
Noun
-
The warning was issued Friday at 4:32 p.m., and the last update regarding this incident was released on Friday at 4:34 p.m.—
Kansas City Star,
Kansas City Star,
14 June 2025
-
The director of the Los Angeles Police Department's union slammed city and state leadership while issuing a stark warning to would-be anti-Immigration and Customs Enforcement rioters.—
Peter D'Abrosca,
FOXNews.com,
14 June 2025
Verb
-
Continue reading … ‘VERY DAMAGING’ – '60 Minutes' correspondent Scott Pelley warns against CBS settlement with Trump.—
,
FOXNews.com,
9 June 2025
-
Silicon Valley tech exec Dion McKenzie warned that expectations of a 996 culture could make VC funding even more out of reach for early-stage startups.—
Sawdah Bhaimiya,
CNBC,
8 June 2025
Adjective
-
My wife had been awake for thirty-six hours when our baby was delivered by C-section.—
Danny Lorberbaum
June 13,
Literary Hub,
13 June 2025
-
As the noise pierced through the house day and night, keeping her children awake, Natalie was concerned about dogs possibly being mistreated nearby.—
Alice Gibbs,
MSNBC Newsweek,
11 June 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
-
Be cautious not to overuse vinegar in the dishwasher, as the acid can degrade certain rubber components, like gaskets and filters.—
Nafeesah Allen,
Better Homes & Gardens,
2 June 2025
Adjective
-
Second, a human must be kept in the loop of intelligent machine decision-making processes.—
John Werner,
Forbes.com,
8 June 2025
-
In 1950 the Italian physicist Enrico Fermi was discussing the possibility of intelligent alien life with his colleagues.—
Philip Ball,
Wired News,
8 June 2025
Adjective
-
As with uptime, Bluehost's quick and reliable customer support continues to impress us in testing.—
PC Magazine,
PC Magazine,
3 June 2025
-
Most of the garage lights on our list include power cords to plug them into an outlet, making installation quick and easy.—
Molly Blanco,
Better Homes & Gardens,
3 June 2025
Noun
-
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
-
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
Adjective
-
Arkansas officials urged residents of the surrounding Izard County to stay vigilant and lock the doors of their homes and vehicles following his escape.—
Jack Moore,
ABC News,
6 June 2025
-
Ron Martin, the Burleson officer who oversaw the case, urged shoppers to be vigilant when buying gift cards from racks at big box retailers.—
Matthew Adams,
Fort Worth Star-Telegram,
6 June 2025
Cite this Entry
“Alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/alert. Accessed 17 Jun. 2025.
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