Lynch law is a term usually associated with the act of extrajudicial punishment carried out by a mob or an angry crowd. However, there are several other words and phrases that can be used to describe this act. Some common synonyms for lynch law include summary justice, vigilante justice, rough justice, frontier justice, street justice, and mob justice. While these terms may have a similar meaning to lynch law, it is worth noting that they can also carry different connotations and be used in specific contexts. Regardless, all are synonymous with the act of taking justice into one's own hands, without the legal system.