The term guilty party refers to an individual or group of individuals who have committed a crime or are responsible for some wrongdoing. There are several synonyms that can be used to describe such individuals. One such synonym is culprit, which is often used to describe the person directly responsible for an offense. Another synonym is offender, which reflects an individual's violation of a law or a breach of social norms. The word perpetrator is also used to describe the guilty party, particularly in cases of violent crimes. Other synonyms include wrongdoer, malefactor, and lawbreaker. Regardless of the term used, the guilty party refers to someone who has committed an act that is considered unacceptable by society.