There are several synonyms for the word "mis-informed" which can be used to express the same idea. These include "misled," "misguided," "mistaken," "incorrectly informed," "erroneously informed," "falsely informed," and "deceived." All of these words indicate a state of being uninformed or holding an incorrect understanding of something. It is important to be aware of these synonyms so that you can accurately convey your thoughts and ideas in writing or verbal communication. When trying to convey the idea that someone is misinformed, it is essential to choose the right synonym that best suits the context and tone of the message.