: a person who institutes a prosecution (as by making an affidavit or complaint charging the defendant)

A prosecutor is a legal representative of the prosecution in states with either the adversarial system, which is adopted in common law, or inquisitorial system, which is adopted in civil law.

a lawyer who represents the government in a court of law: a federal / public prosecutor (Definition of prosecutor from the Cambridge Business English Dictionary © Cambridge University Press)

Dec 20, 2025 · Prosecutor, government official charged with bringing defendants in criminal cases to justice in the name of the state. Many prosecutors are in charge of all phases of a criminal …

Definition of prosecutor noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A prosecutor is a lawyer who initiates prosecution of criminal offenses, and presents the case for prosecution in a criminal proceeding. The official name for the position of state prosecutors is …

Law. prosecuting attorney. a person, as a complainant or chief witness, instigating prosecution in a criminal proceeding. a person who prosecutes.

pros•e•cu•tor (ˈprɒs ɪˌkyu tər) n. 1. prosecuting attorney. 2. a complainant, chief witness, or the like who instigates prosecution in a criminal proceeding.

In some countries, a prosecutor is a lawyer or official who brings charges against someone or tries to prove in a trial that they are guilty.

prosecutor - An individual who initiates a legal action or proceeding by filing a complaint against the accused party