Definition of hyperalert
- Jarrett was exhausted, after weeks on the campaign trail, but hyperalert, watching the wider terrain, observing all comers, while always keeping an eye on Obama.
- —Ron Suskind
- Symptoms of PTSD can include insomnia, irritability, being hyperalert to danger or feeling on edge.
- —Phyllis Furman
hyperalertnessor hyper-alertness noun
- Type A people showed the overt behavioral syndrome or style of living characterized by "extremes of competitiveness, striving for achievement, restlessness, hyper-alertness, explosiveness of speech …".
- —The Encyclopedic Dictionary of Psychology