- Date: 15th century
- 1 : to follow to the end : pursue until finished <prosecute a war>
- 2 : to engage in : perform
- 3 a : to bring legal action against for redress or punishment of a crime or violation of law
- b : to institute legal proceedings with reference to <prosecute a claim>
The prosecutor is the chief legal representative of the prosecution in countries with either the common law adversarial system, or the civil law inquisitorial system. The prosecution is the legal party responsible for presenting the case against an individual suspected of breaking the law in a criminal trial.