The word mistreated refers to being treated badly or unfairly. There are several synonyms for this word, including abused, maltreated, and mishandled. Mistreated can also be replaced by words such as ill-treated or oppressed. The term "neglected" can also refer to mistreatment, particularly in cases where individuals or groups are not given the attention or care they deserve. Other synonyms include "victimized," "discriminated against," and "exploited." Using synonyms for the word mistreated can help to add variety and depth to your writing and convey a more precise meaning.