English Reference

Word

prosecutor

Phoneticspros·e·cu·tor, stress on the first syllable

US/ˈpɹɑsɪkˌjutɝ/

UK/pɹˈɒsɪkjˌuːtɐ/

Definitions

01government lawyer

C1 · Advanced Countable noun Law Formal

n. a lawyer who represents the government in a court of law to prove someone committed a crime.

n. a legal official who conducts criminal proceedings on behalf of the state or the public interest.

“The prosecutor presented new evidence to the jury during the trial.”

“The lead prosecutor argued that the defendant's financial records provided a clear motive for the alleged embezzlement.”

Usage

The noun is countable and often used with the definite article when referring to the lead official in a specific case.

Synonyms

prosecuting attorneystate attorney

Antonyms

defense attorney

02person starting a case

C2 · Proficiency Countable noun Law Formal · Technical

n. the person or group that starts a legal case against someone else.

n. the party who institutes a criminal or civil proceeding; may refer to a private complainant in certain legal systems.

“In some legal systems, a private citizen can act as a prosecutor.”

“The court must determine if the private prosecutor has sufficient standing to bring these charges forward without state support.”

Usage

In modern common law, this more general sense is often replaced by 'complainant' or 'plaintiff' in civil contexts.

Antonyms

Collocations

Common phrases and expressions where native English speakers use the word “prosecutor” in context.

Verb

01. appoint a prosecutor

“The attorney general decided to appoint a special prosecutor to investigate the allegations of corruption.”

verb + noun

02. convince the prosecutor

“The defense attorney tried to convince the prosecutor to drop the charges due to a lack of evidence.”

verb + noun

03. prosecutors allege that

“Prosecutors allege that the defendant planned the robbery for several months before taking action.”

noun + verb

Adjective

04. federal prosecutor

“A federal prosecutor has been assigned to handle the interstate drug trafficking trial.”

adj + noun

05. lead prosecutor

“As the lead prosecutor on the case, she was responsible for the opening statement.”

adj + noun

06. tenacious prosecutor

“The tenacious prosecutor refused to let the witness avoid answering the difficult questions.”

adj + noun

Noun

07. discretion of the prosecutor

“The decision to seek the death penalty often lies within the sole discretion of the prosecutor.”

noun + of + noun

08. prosecutor's office

“The public defender sent the requested documents directly to the prosecutor's office.”

noun + noun

Real-World Examples

“His lawyers are preparing to meet federal prosecutors Friday for a potential plea agreement, according to reports in US media.”
BBC News 14 Aug 2026
“Prosecutors allege those actions resulted in Thompson's death.”
BBC News 13 Aug 2026
“In December, she resigned as the top federal prosecutor in New Jersey , after a court battle over her eligibility to serve as US attorney for the state.”
BBC News 13 Aug 2026
“The letter, submitted by prosecutor James McDonald, stated: “The parties write jointly to request a conference with the Court.”
The Guardian 14 Aug 2026

Etymology

1590s, from Medieval Latin prosecutor, from prōsequor (English prosecute). By surface analysis, prosecute + -or.

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

Word family

NOUN

prosecutor(C1)

Domain

Law

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · AdvancedOxford
Updated

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English Reference