definition of
misunderstanding

[1] #1 misunderstanding n. [misinterpretation, mistaking] putting the wrong interpretation on; "his misinterpretation of the question caused his error"; "there was no mistaking her meaning". wn

[2] #2 misunderstanding n. [mistake, misapprehension] an understanding of something that is not correct; "he wasn't going to admit his mistake"; "make no mistake about his intentions"; "there must be some misunderstanding--I don't have a sister". wn