1. Noun
The quality of being alert or on the alert; briskness; nimbleness; activity.
2. Noun
the process of paying close and continuous attention; "wakefulness, watchfulness, and bellicosity make a good hunter"; "vigilance is especially susceptible to fatigue"
Vocabulary classified under Psychology
3. Noun
a state of readiness to respond; "alerting was indicated by the desynchronization of the EEG"
Vocabulary classified under Environmental science
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