alert


Definition: Meaning of, alert in English to English dictionary.

Pronunciation: / əˈləːt /

  • adjective
  • synonym
  • antonym
Word Forms:
Positive Comparative Superlative
N/A N/A N/A
  1. giving all your attention to what is happening, being said etc
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  2. able to think quickly and clearly
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  3. be alert to something to know about or understand something, especially a possible danger or problem
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  • verb
  • synonym
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Word Forms:
Prsesent Past Past Participle
alert alerted alerted
Present Participle Third Person Singular
alerting alerts
[transitive]
  1. to officially warn someone about a problem or danger so that they are ready to deal with it
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  2. to make someone realize something important or dangerous
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  • noun
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Word Forms:
Singular Plural
alert alerts
  1. [countable] a warning to be ready for possible danger
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  2. on (the) alert (for something/somebody) ready to notice and deal with a situation or problem
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alert used in phrases

  • Emergency Alert System (noun)
    1. a federal warning system that is activated by FEMA; enables the President to take over the United States airwaves to warn the whole country of major catastrophic events
  • air alert (noun)
    1. the time period during which military and civilian agencies are prepared for an enemy air attack
    2. the condition in which combat aircraft are airborne and ready for an operation
  • red alert (noun)
    1. a warning that there is very great danger
  • seizure-alert dog (noun)
    1. a dog that can alert or assist people with seizure disorders
  • strip alert (noun)
    1. a state of readiness for domestic defence aircraft
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