Source : Webster's Revised Unabridged Dictionary (1913)

Grogginess \Grog"gi*ness\, n.
   1. State of being groggy.

   2. (Man.) Tenderness or stiffness in the foot of a horse,
      which causes him to move in a hobbling manner.

Source : WordNet®

grogginess
     n 1: a dazed and staggering state caused by alcohol
     2: a groggy state resulting from weariness
     3: marginal consciousness; "his grogginess was caused as much
        by exhaustion and by the blows"; "someone stole his wallet
        while he was in a drunken stupor" [syn: {stupor}, {stupefaction},
         {semiconsciousness}]