A mistaken belief or opinion is incorrect. a limited understanding of addiction and mistaken beliefs about how it can be overcome. + mistakenly mis·tak·en·ly He says they mistakenly believed the standard licenses they held were sufficient
Being in error; judging wrongly; having a wrong opinion or a misconception; as, a mistaken man; he is mistaken
wrong in e g opinion or judgment; "well-meaning but misguided teachers"; "a mistaken belief"; "mistaken identity"
If you are mistaken about something, you are wrong about it. I see I was mistaken about you You couldn't be more mistaken, Alex. You've utterly misread the situation. = wrong emphasis You use expressions such as if I'm not mistaken and unless I'm very much mistaken as a polite way of emphasizing the statement you are making, especially when you are confident that it is correct. I think he wanted to marry her, if I am not mistaken Unless I'm mistaken, he didn't specify what time