plural accomplices
: a person who works with or helps someone who is doing something wrong or illegal
He was convicted as an accomplice to murder.
a murderer's accomplice
She was an unwitting accomplice to tax fraud. [=she didn't know that she was helping someone to commit tax fraud]
Cite this Entry
“Accomplice.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/accomplice. Accessed 15 Apr. 2026.
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