Misterm is a verb that means to misname or misidentify, and there are several synonyms that can be used in its place. One alternative is to mislabel, which involves incorrectly assigning a label or designation to something or someone. Another synonym is to misidentify, which refers to mistaking the identity of a person, object, or thing. A third option is to misnomer, which involves using the wrong name or label for something. Additionally, synonymous terms for misterm may include misapply or misuse, which refer to a misuse or inappropriate application of a term or concept. Synonyms for misterm can be useful to help communicate a precise and accurate message.