(adj): vs. clearheaded) -- (mentally confused; unable to think with clarity or act intelligently
(adj): stunned or confused and slow to react (as from blows or drunkenness or exhaustion)
(adj): vs. energetic), unenrgetic -- (deficient in alertness or activity
daze
(v): to cause someone to lose clear vision, especially from intense light
(v): render unable to see
(v): overcome as with astonishment or disbelief
(v): cause not to be sensitive