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Verb: stupefy  'st(y)oo-pi,fI
  1. Make dull or stupid or muddle with drunkenness or infatuation
    - besot
  2. 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
  3. Make senseless or dizzy by or as if by a blow
    "stupefy fish";
    - stun

Derived forms: stupefies, stupefied, stupefying

Type of: be, desensitise [Brit], desensitize, immobilise [Brit], immobilize