simple past tense and past participle of confuse
"The manager was confused by the sudden change in plans."
In plain English: To confuse someone is to make them feel unable to think clearly about what they are doing or seeing.
"The loud noise completely confused everyone in the room."
perplexed by many conflicting situations or statements; filled with bewilderment
"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"
lacking orderly continuity
"a confused set of instructions"
"a confused dream about the end of the world"
"disconnected fragments of a story"
"scattered thoughts"
having lost your bearings; confused as to time or place or personal identity
"I frequently find myself disoriented when I come up out of the subway"
"the anesthetic left her completely disoriented"
thrown into a state of disarray or confusion
"troops fleeing in broken ranks"
"a confused mass of papers on the desk"
"the small disordered room"
"with everything so upset"
mentally confused; unable to think with clarity or act intelligently
"the flood of questions left her bewildered and confused"
unable to think clearly or understand
"After hearing the complex instructions, she felt completely confused and could not make sense of what was being asked."
In plain English: Confused means you don't know what is going on and feel unsure about something.
"The new instructions left me completely confused about when to start work."
The word confused originally came into Middle English meaning "frustrated" or "ruined." It traveled directly from the Anglo-Norman and Latin roots before its modern sense developed through a later linguistic process called back-formation.