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Noun: alertness  u'lurt-nus
  1. The process of paying close and continuous attention
    "wakefulness, alertness, and bellicosity make a good hunter";
    - watchfulness, wakefulness, vigilance
     
  2. A state of readiness to respond
    "alertness was indicated by the desynchronization of the EEG";
    - alerting
     
  3. Lively attentiveness
    - sharp-sightedness, on the qui vive

Type of: arousal, attention, attentiveness

Encyclopedia: Alertness