ENGLISH
REFERENCE

prosecution

n.
US //ˌpɹɑsəkˈjuʃən// UK //pɹˌɒsɪkjˈuːʃən// pros·e·cu·tion
  1. 1 legal proceedings (n.)
    C1 Advanced Formal Law

    the process of officially accusing someone of a crime and testing the evidence in a court of law.

    the institution and conduct of legal proceedings against a person in a criminal court.

    Example

    The evidence was so weak that the prosecution was dropped before it reached court.

    Example

    The director of public prosecutions decided that there was sufficient evidence to proceed with a formal prosecution for fraud.

    Usage

    Often used with the verbs 'bring', 'initiate', or 'face'.

  2. 2 the legal team (n.)
    C1 Advanced Formal Law

    the lawyers who try to prove that a person is guilty of a crime.

    the party or legal team conducting the case against a defendant in a criminal court.

    Example

    The prosecution called three witnesses to testify about what they saw that night.

    Example

    The prosecution rested its case after presenting a series of forensic reports that linked the suspect to the crime scene.

    Usage

    Usually takes a singular verb, though it refers to a team of people.

    • the defense
Show 1 more senseShow fewer
  1. 3 carrying out a task (n.)
    C2 Proficiency Formal Academic

    the act of continuing with a plan or a piece of work until it is finished.

    the act of carrying out or continuing a task, scheme, or endeavor to its completion.

    Example

    He was very determined in the prosecution of his professional goals.

    Example

    The general was praised for his vigorous prosecution of the war, despite the mounting political pressure at home.

    Usage

    Typically followed by the preposition 'of'.

Origin

Equivalent to prosecute + -ion, from Middle French prosecution, from Late Latin prōsecutio, from Latin prōsequor (“follow, pursue”), from pro- (“onward”) + sequor (“follow”) (English sequel). Compare persecution, and see more at prosecute.

© 2026 English Reference