The word unsquare is often used to describe something or someone that is not honest or fair. If you need to find synonyms for this word, some great options include words like dishonest, unfair, biased, partial, and unjust. Other possible synonyms include words like crooked, devious, underhanded, sneaky, and shady, which are all great words to use if you need to convey a sense of betrayal or deceitfulness. Ultimately, the best way to find synonyms for unsquare is to choose words that fit the particular context and convey the precise meaning you are trying to communicate.