Mistaken

/mɪˈsteɪ.kən/

Meaning & Definition

adjective

having a wrong idea or opinion about something; incorrect or erroneous.

I was mistaken in thinking that the meeting was scheduled for Wednesday.

having made an error or misjudged something.

She realized she was mistaken when she miscalculated the total.

confused with someone or something else.

He was mistaken for his twin brother at the event.

Past participle of mistake; from Middle English 'mistaken', from Old English 'mistācan'.

mistaken identity

a situation where a person is wrongly identified as someone else.

mistaken assumptions

being incorrect in what one presumes to be true.

mistake

an action or judgment that is misguided or wrong.

misunderstanding

a failure to understand something correctly.

totally off base

Her guess was totally off base, she didn’t even get close.

dead wrong

If you think he's the one who did it, you're dead wrong.