説明中心

alert

[əˈlərt]

alert Definition

  • 1quick to notice any unusual and potentially dangerous or difficult circumstances; vigilant
  • 2a warning of an actual or potential threat to safety or security

Using alert: Examples

Take a moment to familiarize yourself with how "alert" can be used in various situations through the following examples!

  • Example

    Be alert for any suspicious activity in the area.

  • Example

    The weather service issued a tornado alert for the region.

  • Example

    The nurse alerted the doctor to the patient's sudden change in condition.

  • Example

    The police department sent out an alert to all officers to be on the lookout for the suspect.

alert Synonyms and Antonyms

Phrases with alert

  • in a state of extreme readiness or vigilance

    Example

    The military is on high alert following reports of an imminent attack.

  • to give a warning or signal of danger

    Example

    The security guard sounded the alert when he saw the intruder.

  • a medical term used to describe a patient who is fully aware of their surroundings and mental state

    Example

    The doctor noted that the patient was alert and oriented during the examination.

Origins of alert

from Italian 'all'erta', meaning 'to the watchtower'

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Summary: alert in Brief

To be 'alert' [əˈlərt] means to be quick to notice any unusual and potentially dangerous or difficult circumstances. It can be used as an adjective, noun, or verb, and is often associated with warnings of actual or potential threats to safety or security. Phrases like 'on high alert' and 'sound the alert' denote states of extreme readiness or vigilance, while 'alert and oriented' is a medical term used to describe a patient who is fully aware of their surroundings and mental state.

How do native speakers use this expression?