Mis-knew is a term that refers to a situation where an individual was not aware of something or made an incorrect assumption. There are several synonyms for this phrase, including misconstrued, misunderstood, misinterpreted, misapprehended, and misjudged. All of these words describe situations where someone failed to comprehend a situation or communicate effectively. It is crucial to be mindful of the context in which these words are used, as they can have different connotations based on the scenario. In any event, understanding the synonyms of mis-knew is essential for effective communication and avoiding confusion or misinterpretation.