Pronunciation (UK) IPA (key): /ə.ˈkʌm.plɪs/ (US) IPA (key): /ə.ˈkɑm.pləs/ or /ə.ˈkɑm.plɪs/ Audio (UK)(file) Audio (US)(file) Hyphenation: ac‧com‧plice Noun Singular accomplice Plural accomplices (countable) (law) An accomplice is a person who helps someone with a crime. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads