Unethically is a term that usually refers to a person's or a company's conduct that is contrary to accepted moral standards. There are several synonyms for the word "unethically" that can be used interchangeably in different contexts. One of the synonyms is "immorally", which means behavior that is wrong according to moral principles. Another synonym is "unscrupulously", which means acting without ethical or moral principles. "Dishonestly" and "deceptively" are other synonyms for unethically, signifying covert or fraudulent behavior. "Unprincipled" is another word meaning lacking moral principles. All these synonyms aptly describe actions or practices that can lead to negative consequences, and using these words can communicate the same idea as the word "unethically" in a different way.