Alertness
/əˈlɝt.nəs/ noun
noun ·Uncommon ·College level
Definitions
Noun
- 1 The quality of being alert or on the alert. uncountable, usually
"THE human body was meant to have a midafternoon nap, according to a new consensus among sleep researchers who are studying the biological rhythms of sleep and alertness."
- 2 lively attentiveness wordnet
- 3 the process of paying close and continuous attention wordnet
- 4 a state of readiness to respond wordnet
Example
More examples"His thin, hawk-like nose gave his whole expression an air of alertness and decision."
Etymology
From alert + -ness.