Wiktionary
hypervigilant
a. In a state of hypervigilance.
Usage examples of "hypervigilant".
The traffic on the street and sidewalks forced Jarret to remain hypervigilant for any sighting of Nathaniel Houston or Detra Kelly.
Gianini and I will have to be hypervigilant for the next seven months.
Their slow, low-key morning also kept Becca from moving into an overstimulated, hypervigilant state, so she could sleep.
Never being able to tell what was coming his way next, Sam became a hypervigilant, paranoid child.