confused
con-fused
adjective
Unable to think clearly or understand something properly; muddled or bewildered.
"He looked confused by the question."
Thesaurus
Synonyms: disoriented, unoriented, lost, baffled, at sea, bewildered, mixed-up, confounded, bemused, befuddled, mazed, perplexed
Antonyms: clear-thinking, clearheaded