1.NounA failure to correctly and completely understand; an incorrect notion or belief that is a result of such a failure.
"It is the duty of the individual juror to strive to avoid any misappreciation of the evidence, no matter how it is represented by the barristers.; Although he claims to be a postmodernist, his misappreciation of the philosophy is such that he still clings to the idea of absolute truth."
2.NounAn observed failure to appreciate the proper worth of a person, an act or a thing.