Alertness

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Alertness \A*lert"ness\, n.
     The quality of being alert or on the alert; briskness;
     nimbleness; activity.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  alertness
       n 1: the process of paying close and continuous attention [syn: {watchfulness},
             {vigilance}]
       2: a state of readiness to respond; "alerting was indicated by
          the desynchronization of the EEG" [syn: {alerting}]
       3: lively attentiveness [syn: {on the qui vive}]