CEFR B1

alert

verb

Meaning

To warn someone of a danger, problem, or other important situation.

Examples

The sudden drop in temperature alerted scientists to a potential climate shift.
A strange smell from the kitchen alerted her that something was burning.

Synonyms: warn, notify, apprise, forewarn

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alert (B1)

verb

Pronunciation: /əˈlɜːrt/

Definition

To warn someone of a danger, problem, or other important situation.

Examples

The sudden drop in temperature alerted scientists to a potential climate shift.
A strange smell from the kitchen alerted her that something was burning.
The security system is designed to alert residents if an intruder is detected.

How to Use alert

alert someone to something (prepositional phrase): To make someone aware of a situation or fact. — "The doctor alerted the patient to the potential side effects of the medication."
be on alert (idiom): To be ready for something, especially danger. — "The coast guard is always on alert for illegal fishing vessels."
alert system (collocation): A system designed to give warnings. — "The new fire alert system is very sensitive."

Synonyms of alert

Words with a similar meaning to alert:

Antonyms of alert

Words with the opposite meaning to alert:

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