1. Making physically stupid, dull or insensible
   "a stupefying blow to the head"; "the stupefying effects of hemp"
    
2. So surprisingly impressive as to stun or overwhelm
   "the figure inside the bouclé dress was stupefying";
   - astonishing, astounding, staggering
    
3. Shocking with surprise and consternation
   "the stupefying impact of the tragedy"

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: alarming, disorienting, impressive

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

Encyclopedia: Stupefying