dazed in WordNet English dictionary

1. in a state of mental numbness especially as resulting from shock
   "he had a dazed expression on his face"; "lay semiconscious, stunned (or stupefied) by the blow"; "was stupid from fatigue"
   dazed  stunned  stupefied  stupid 
   
2. stunned or confused and slow to react (as from blows or drunkenness or exhaustion)
   dazed  foggy  groggy  logy  stuporous