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'alert' in a sentence

Learn how to use 'alert' with 10 example sentences.


alert adjective

: quick and energetic

: mentally perceptive and responsive

: engaged in or accustomed to close observation

alert noun

: condition of heightened watchfulness or preparation for action

: a warning serves to make you more alert to danger

: an automatic signal (usually a sound) warning of danger

alert verb

: warn or arouse to a sense of danger or call to a state of preparedness


  • A tsunami is coming, so please be on the alert.
  • Be alert when you cross a busy street!
  • My son needs to be more alert at school.
  • I feel more alert after drinking a cup of coffee.
  • The tsunami alert was cancelled.
  • The soldiers were on the alert.
  • They have already been alerted.
  • He is alert to every chance of making money.
  • The hunter was alert to every sound and movement.
  • I forced you to be to present and alert.
  • Words related to 'alert'


    Words near 'alert' in the dictionary