The word unconscionable is often used to refer to actions or behaviors that are considered morally or ethically unacceptable. There are several synonyms that can be used to describe such behavior, including immoral, iniquitous, wicked, and heinous. These words all convey a strong sense of wrongdoing or injustice, and can be used to describe a wide range of unethical acts. Other synonyms for unconscionable might include egregious, outrageous, reprehensible, or nefarious. When looking for ways to describe behavior that is beyond the bounds of what is considered acceptable or just, these words can be a useful tool for expressing disapproval or condemnation.