1. As if struck dumb with astonishment and surprise
   "a circle of policemen stood stupefied by her denial of having seen the accident";
   - dumbfounded, dumfounded, flabbergasted, thunderstruck, dumbstruck, dumbstricken
    
2. In a state of mental numbness especially as resulting from shock
   "lay semiconscious, stupefied by the blow";
   - dazed, stunned, stupid

1. Make senseless or dizzy by or as if by a blow
   "stupefy fish";
   - stun
    
2. Make dull or stupid or muddle with drunkenness or infatuation
   "He was stupefied by her charm and beauty";
   - besot
    
3. Confuse or leave at a loss because of something complex or difficult to understand
   "These questions stupefy even the experts";
   - confuse, throw, fox, befuddle, fuddle, bedevil, confound, discombobulate [informal], perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, nonplus, gravel, dumbfound

See also: confused, fuddled, surprised

Type of: affect, bear on, bear upon, desensitise [Brit], desensitize, immobilise [Brit], immobilize, impact

Encyclopedia: Stupefied