Insuavity is a rather rare word that means the quality of being insulting or offensive in speech or behavior. The word has close associations with rudeness, impoliteness, and discourtesy. When looking for synonyms, one might consider using words like impudence, affront, insolence, or disrespect. Other suitable synonyms include incivility, offensiveness, contentiousness, and aggression. These words capture the essence of insuavity as they all imply a lack of empathy or consideration for the feelings of others. Their use often indicates a willful disregard for common social norms and codes of conduct. Ultimately, using any of these synonyms to describe insuavity would convey the same negative connotation.