We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


noun hy·per·vig·i·lance \-ˈvij-ə-lən(t)s\

Medical Definition of HYPERVIGILANCE

:  the condition of maintaining an abnormal awareness of environmental stimuli <a person suffering from PTSD may have…hypervigilance, heightened startle responses and flashbacks—Ellen L. Bassuk et al>
hy·per·vig·i·lant \-lənt\ adjective


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears