WordWeb Online

1. Having self-possession upset; thrown into confusion
   "the hecklers pelted the discombobulated speaker with anything that came to hand"
   - disconcerted

1. Cause to be confused emotionally
   - bewilder, bemuse, throw
    
2. Be confusing or perplexing to; cause to be unable to think clearly
   "These questions discombobulate even the experts"
   - confuse, throw, fox, befuddle, fuddle, bedevil, confound

See also: discombobulation, discomposed

Type of: be, discomfit, discompose, disconcert, untune, upset

Encyclopedia: Discombobulate