2 definitions found From WordNet (r) 2.0 [wn]: alertness noun 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}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Alertness \A*lert"ness\, noun The quality of being alert or on the alert; briskness; nimbleness; activity.

Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information. -KM