adjective
- extremely wicked or villainous
Usage: formal
Examples
- The detective uncovered the criminal’s nefarious plot to rob the bank.
- She was shocked by her brother’s nefarious scheme to cheat on the exam.
- The novel’s villain had nefarious plans to take over the kingdom.
- His nefarious activities finally caught up with him when he was arrested.
- The company’s nefarious business practices led to a major scandal.
- The spy’s nefarious mission was to steal government secrets.