ALERT

Definition of ALERT

  1. (noun)condition of heightened watchfulness or preparation for action
  2. (noun)a warning serves to make you more alert to danger
  3. (noun)an automatic signal (usually a sound) warning of danger
  4. (verb)warn or arouse to a sense of danger or call to a state of preparedness
  5. (adj)quick and energetic
  6. (adj)mentally perceptive and responsive
  7. (adj)engaged in or accustomed to close observation