Meaning of “misapprehension” - Learner’s Dictionary

misapprehension

noun [ C ] uk us /ˌmɪsæprɪˈhenʃən/ formal

an idea or opinion about someone or something that is wrong:

[ + that ] He was labouring under the misapprehension (= wrongly believed) that she loved him.

(Definition of “misapprehension” from the Cambridge Learner’s Dictionary © Cambridge University Press)