to form a wrong or unfair opinion about a person or a situation:
The government misjudged the mood of the electorate.
I think you've misjudged her.
to guess an amount or distance wrongly:
I misjudged the speed of the car coming towards me.
—misjudgment also misjudgement British English noun [uncountable and countable]
He accused the government of a serious foreign policy misjudgement.