[ pros-i-kyoo-ter ]
/ ˈprɒs ɪˌkyu tər /


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

Origin of prosecutor

1590–1600; < Medieval Latin, Late Latin prōsecūtor pursuer. See prosecute, -tor Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for prosecutor

British Dictionary definitions for prosecutor


/ (ˈprɒsɪˌkjuːtə) /


a person who institutes or conducts legal proceedings, esp in a criminal court
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for prosecutor



1590s, from Medieval Latin prosecutor, agent noun from prosequi (see prosecute). Specific legal sense of "one who brings a case in a court of law" is from 1620s; earlier such a person was a promoter (late 15c.). Related: Prosecutorial.

Online Etymology Dictionary, © 2010 Douglas Harper