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Alert - Meaning, Definition & English Examples

Alert means being watchful and quick to notice or respond to something. It can also refer to a warning or signal about potential danger or an important situation.

alert

/əˈlɝt/ /əˈlɜːt/

Definition:

Quick to notice and respond to potential danger or opportunity.

Synonyms:

vigilant, watchful, attentive, aware

Part of Speech:

adjective, noun, verb

Antonyms:

unaware, inattentive

Common Collocations:

stay alert, alert system, alert message, highly alert

Derivatives:

alertly, alertness

Usage Tips:

Use "alert" to describe someone attentive or a warning signal; avoid overuse in casual contexts.

Common Phrases:

on high alert, red alert, sound the alert

Etymology:

From Italian "all'erta" (on the watch), via French "alerte."

Examples:

  • 1. The guard remained alert throughout the night.
  • 2. She gave an alert about the approaching storm.
  • 3. Stay alert while crossing busy streets.
  • 4. The app sends an alert for important updates.

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