Mistaken is a commonly used word that refers to an error or a misunderstanding. However, sometimes we may require synonyms to add variety to our communication or to express subtle differences in meaning. Some alternative words for mistaken include incorrect, wrong, misguided, erroneous, fallacious, flawed, and inaccurate. These synonyms convey a similar idea to mistaken but can be used to emphasise different aspects of an error. For example, "inaccurate" may imply a lack of precision, while "flawed" suggests a defect or weakness in reasoning. By incorporating these synonyms into our vocabulary, we can articulate our thoughts more effectively and increase the clarity and impact of our communication.