English Reference
verb

prosecute

v.
US /ˈpɹɑsəkˌjut/ UK /pɹˈɒsɪkjˌuːt/ pros·e·cute UK spelling prosecuted, prosecutes, prosecuting

  1. 01 C1 Advanced Formal Law

    to officially charge someone with a crime and take them to court.

    to institute and carry on legal proceedings against a person or organisation in a court of law.

    Simple

    The shop decided to prosecute the man for stealing the expensive watch.

    In context

    The Crown Prosecution Service determined there was sufficient evidence to prosecute the suspect for corporate fraud and money laundering.

    Usage

    The verb is transitive and requires a direct object, usually the person or entity being charged.

  2. 02 C2 Proficiency FormalAcademic

    to continue doing something or to follow a plan until it is finished.

    to carry on or proceed with an investigation, task, or war to its completion.

    Simple

    The company will prosecute its business goals with more energy next year.

    In context

    The general was determined to prosecute the war to a decisive conclusion, regardless of the mounting political pressure at home.

    Usage

    Often used in military or academic contexts regarding the 'prosecution of a war' or 'prosecution of research'.

Don't confuse

prosecute vs persecute — Persecute is to mistreat someone for their beliefs; prosecute is to take someone to court for a crime.

Two complaints – one relating to driver behaviour and the other a dispute over fares – led to taxi drivers being prosecuted.

BreakingNews.ie· 14 Aug 2026

It doesn't prosecute cases itself but shares its evidence with courts and authorities that do.

UN News· 11 Aug 2026

Borrowed from Latin prōsecūtus, perfect participle of prōsequor. Doublet of pursue, from Old French. Compare also persecute.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin prōsecūtus
Level C1 · Advanced
Frequency Frequent
Updated