discombobulate
1. [ verb ] cause to be confused emotionally
Synonyms: throw bewilder bemuse
Related terms: upset confusion
2. [ verb ] be confusing or perplexing to; cause to be unable to think clearly
Synonyms: confuse confound befuddle fuddle bedevil fox throw
Examples:

: "These questions confuse even the experts" "This question completely threw me" "This question befuddled even the teacher"

Related terms: be perplex disorient demoralize confuse confusion
Similar spelling:   discombobulated
  discombobulation
  discomposure
  discomfiture
  discomfited