Definition of "concussed" adjective comparative  more concussed , superlative  most concussed 
Knocked  out ; temporarily  confused  or  unconscious  due  to  a  blow  to  the  head .  quotations   examples 
Quotations But , for  whatever  combination  of  reasons  - and , to  be  fair , he 'd  been  blasted  in  the  face  by  shrapnel , was  probably  badly  concussed and , indeed , would  actually  remember  nothing  from  the  battle  after  he 'd  been  hit  when  he  was  later  debriefed  - aside  from  two  destroyers  left  behind  to  help  Hiei , the  rest  of  the  Japanese  forces  withdrew  north  just  before  0300 in  the  morning .
2021 March 10, Drachinifel, 24:41 from the start, in Guadalcanal Campaign - The Big Night Battle: Night 1 (IJN 3(?) : 2 USN), archived from the original on 7 November 2022