concussed

adjective

con·cussed | \ kən-ˈkəst

Definition of concussed

: suffering the effects of a hard blow to the head : affected with a concussion Despite the recent effort to improve recognition of a concussed player and remove him from the game, the diagnosis might be missed after a fight.— Michael J. Stuart et al. "And that complete cow Pansy Parkinson," said Hermione viciously. "How she got to be a prefect when she's thicker than a concussed troll …"— J. K. Rowling Did it seem like the action of a dazed, concussed man, no longer master of his thoughts, to select those things, pack a bag, conceal the hospital clothes, and walk out of here?— Brian Moore