A person who helps another person commit a crime or do something wrong.
From old french, from latin accomplire to complete.
- The thief had an accomplice who helped him plan the robbery.
- She was an accomplice in her husband's embezzlement scheme.
- The murder suspect had an accomplice who provided him with an alibi.
- The hackers had an accomplice inside the company who provided them with sensitive information.
- The con artist had an accomplice who helped him in his scam.