disabuse of

disabuse (someone or oneself) of (something)

To stop someone or oneself from continuing to believe something that is false. After being so ill, I had to disabuse myself of the notion that work is more important than my health.See also: disabuse, of

disabuse someone of something

to rid someone of an incorrect idea. Please allow me to disabuse you of that assumption. Please disabuse yourself of the notion that you are perfect.See also: disabuse, of