English
Etymology
Proto-Indo-European *upér Proto-Hellenic *hupér
Ancient Greek ῠ̔πέρ (hŭpér) Ancient Greek ῠ̔περ- (hŭper-)der. English hyperalert
From hyper- + alert.
Adjective
hyperalert (comparative more hyperalert, superlative most hyperalert)
- Excessively alert, especially as a result of traumatic stress.
Derived terms