discombobulated
1. [ adjective ] having self-possession upset; thrown into confusion
Synonyms: disconcerted
Examples:

"the hecklers pelted the discombobulated speaker with anything that came to hand" "looked at each other dumbly, quite disconcerted"- G.B.Shaw

Related terms: discomposed
Similar spelling:   discombobulate
  discombobulation
  discomposure
  discomfiture