confounded

(verb) be confusing or perplexing to; cause to be unable to think clearly. Synonyms: confuse, throw, fox, befuddle, fuddle, bedevil, confound, discombobulate. Examples: "These questions confuse even the experts." "This question completely threw me." "This question befuddled even the teacher."

(verb) mistake one thing for another. Synonyms: confuse, confound. Examples: "You are confusing me with the other candidate." "I mistook her for the secretary."

(adj) perplexed by many conflicting situations or statements; filled with bewilderment. Synonyms: baffled, befuddled, bemused, bewildered, confused, lost, mazed, mixed-up, at sea. Examples: "Obviously bemused by his questions." "Bewildered and confused." "A cloudy and confounded philosopher." "Just a mixed-up kid." "She felt lost on the first day of school."