From Longman Dictionary of Contemporary Englishmisapprehensionmis‧ap‧pre‧hen‧sion /ˌmɪsæprɪˈhenʃən/ noun [countable] formalUNDERSTAND# a mistaken belief or a wrong understanding of something SYN misunderstandingunder a misapprehension You seem to be under a misapprehension. I think we should clear up this misapprehension.
Examples from the Corpus
misapprehension• Now, on the eve of the formation of the congress, is a good time to clear up any misapprehensions.• It was not that she had signed under some induced misapprehension as to the nature or character of what she was signing.• He accepted that the complainants were under no misapprehension about the nature of the acts they had engaged in.• But the conventions surrounding the drama itself usually go some way to counter this kind of misapprehension even in mediaeval times.• Stevens recognized Mr Graham's misapprehension.• Nicholas, on the other hand, was labouring under several misapprehensions.• The battalion's officers, under the misapprehension that such an equipage must contain a senior officer, saluted.under a misapprehension• Well, dear Rex was either lying or labouring under a misapprehension. 