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Definitions

alert

[uh-lurt] / əˈlɜrt /






Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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Parents have been told to be alert for unexpected emails or phone calls after a Northern Ireland school app used by almost 50,000 people was affected by a data breach.

From BBC ● Nov. 6, 2026

Ryosei Akazawa, Japan's minister for economy, trade and industry, said Friday that Tokyo had been "on alert" to the risk to Japanese interests in Russia.

From Barron's ● Nov. 6, 2026

Like many American tourists in Asia, Kendall Stempel and Chloe Starr were on high alert for a hustle.

From The Wall Street Journal ● Nov. 5, 2026

Known as 5-oxoETE, or 5-oxo-6,8,11,14-eicosatetraenoic acid, this fatty signaling molecule acts as a chemical alert when the body needs to respond to a threat.

From Science Daily ● Nov. 5, 2026

Just stayed on the alert, watching for emergencies.

From "Carry On, Mr. Bowditch" by Jean Lee Latham

Tensions across the Middle East remain elevated, with Saudi Arabia issuing alerts of potential danger in Red Sea oil export Yanbu, they add.

From The Wall Street Journal ● Nov. 6, 2026

The post did not cause major news outlets to send alerts.

From Slate ● Nov. 4, 2026

Among the measures announced at the earlier press conference by Puente was the creation of software for control centres that would issue automatic alerts and make it easier to spot anomalies in traffic.

From Barron's ● Nov. 3, 2026

A few hours later, Russia said its equivalent app had also issued false alerts, with both countries claiming their systems had been hacked.

From BBC ● Nov. 2, 2026

“I set my glasses to receive media alerts about us. We must’ve made the news again.”

From "The Manifestor Prophecy" by Angie Thomas

The disruptions were brief, however, in part because a message board funded by the federal Cybersecurity and Infrastructure Security Agency, or CISA, alerted election officials that the FBI had deemed the threats not credible.

From Salon ● Nov. 3, 2026

The group alerted the exchange’s top executives, who convened a crisis team of some 100 employees.

From The Wall Street Journal ● Oct. 30, 2026

The charges against Strange arose after studio employees alerted the FBI of the theft in January 2025, alleging the unfinished releases were shared to a number of online platforms.

From Los Angeles Times ● Oct. 23, 2026

Police had been alerted to three suspicious vehicles near the US airbase in Gloucestershire in the early hours of 27 September - a major incident was subsequently declared and dozens of homes evacuated.

From BBC ● Oct. 20, 2026

The concerned Barnbridge, along with friends of Corcoran’s, yesterday alerted state and local police, who put out a Missing Persons Bulletin.

From "The Secret History" by Donna Tartt

He broke into a different office by mistake, setting off an alarm and alerting the Cambridge Police Department, who arrested him.

From Los Angeles Times ● Oct. 23, 2026

Its presence can serve as a warning signal, alerting the immune system that a virus may have entered the cell.

From Science Daily ● Oct. 21, 2026

Hospital managers have apologised for the significant delays in alerting police about Letby, the paper reports.

From BBC ● Sep. 16, 2026

Far-right activist Laura Loomer, who has feuded publicly with Yiannopoulos, celebrated his detention and claimed credit for alerting federal authorities to his immigration status in multiple posts on X.

From Salon ● Aug. 29, 2026

So far the only thing it seemed to be good for was alerting more monsters to their presence.

From "The House of Hades" by Rick Riordan


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