on edge on edge /ɑːn ɛdʒ/

adjective

1. Nervous and unable to relax  ( antsy [Informal, N. American] , fidgety , fretful , itchy , keyed-up , on edge , twitchy [Informal] )
   nervous and unable to relax
    A constant fretful stamping of hooves
   a constant fretful stamping of hooves
    A restless child
   a restless child