The word unneatest can refer to something that is disorderly, messy, or untidy. Synonyms for unneatest include chaotic, disheveled, shabby, scruffy, slovenly, and unkempt. These words all describe a lack of neatness or order, whether it be in a physical space or in someone's appearance. Other possible synonyms for unneatest might include disorganized, cluttered, dirty, or unkempt. Essentially, any word that conveys a sense of disorder or messiness could be considered a synonym for unneatest. By using these synonyms, you can add variety and precision to your writing and express yourself more clearly.