"judge erroneously or wrongfully, form a wrong opinion," early 15c., misjugen, from mis- (1) "badly, wrongly" + judge (v.). Related: Misjudged; misjudging.
misinform
misinformation
misinformed
misinterpret
misinterpretation
misjudge
misjudgement
misjudgment
misknow
mislabel
mislay