law enforcement officer

B2
UK/ˌlɔː ɪnˈfɔːsmənt ˌɒfɪsə/US/ˌlɑ ɪnˈfɔrsmənt ˌɑfəsər/

Formal, official, legal

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Definition

Meaning

A person employed by a government agency whose primary duty is to maintain public order, enforce laws, and protect people and property.

A formal, official term for any member of a police force or similar agency with the legal authority to carry out duties such as making arrests, investigating crimes, and upholding the law. The term encompasses various ranks and specializations within policing.

Linguistics

Semantic Notes

This is a compound noun phrase used as a formal, inclusive term. It emphasizes the role of enforcing laws rather than a general 'policing' function. It is often used in legal documents, news reporting, and official discourse to refer generically to police, sheriffs, state troopers, federal agents, etc.

Dialectal Variation

British vs American Usage

Differences

Both varieties use the term similarly. However, in everyday British English, 'police officer' is far more common. In the US, the term is used more frequently in official contexts (e.g., legal codes, news reports) to encompass state troopers, county sheriffs, and federal agents alongside local police.

Connotations

Official, neutral, and comprehensive. Can sound slightly bureaucratic or legalistic in casual conversation.

Frequency

Moderately frequent in formal/official contexts in both varieties; significantly less frequent than 'police officer' in everyday speech, especially in the UK.

Vocabulary

Collocations

strong
sworn law enforcement officercertified law enforcement officerlocal law enforcement officerfederal law enforcement officer
medium
duty of a law enforcement officerauthority of a law enforcement officertraining for law enforcement officers
weak
experienced law enforcement officerretired law enforcement officergroup of law enforcement officers

Grammar

Valency Patterns

[Article/Possessive] + law enforcement officer + [Verb: assisted, questioned, arrested]Law enforcement officer + [Preposition: of, from, with] + [Agency/Department]

Vocabulary

Synonyms

Strong

peace officerpolice constable (UK)police agent

Neutral

police officerofficerpolicecop (informal)

Weak

guardsecurity officerconstable (historical/UK specific)

Vocabulary

Antonyms

criminallawbreakeroffendersuspect

Phrases

Idioms & Phrases

  • To swear in as a law enforcement officer

Usage

Context Usage

Business

Rare; used only in security or legal consultancy contexts.

Academic

Used in criminology, sociology, and legal studies papers.

Everyday

Used in formal news reports or official statements, but 'police officer' is preferred in casual talk.

Technical

Standard term in legal statutes, police training manuals, and government documentation.

Examples

By Part of Speech

verb

British English

  • The suspect was apprehended by a law enforcement officer.
  • They are trained to law-enforce (rare, non-standard).

American English

  • The suspect was detained by a law enforcement officer.
  • He was sworn in to enforce the law.

adjective

British English

  • He comes from a law-enforcement background.
  • The law enforcement community gathered for the ceremony.

American English

  • She has a law enforcement career.
  • Law enforcement agencies collaborated on the case.

Examples

By CEFR Level

A2
  • The law enforcement officer helped the lost child.
  • He is a law enforcement officer.
B1
  • A law enforcement officer must wear a badge.
  • If you see a crime, you should tell a law enforcement officer.
B2
  • The authority of a law enforcement officer is derived from the legal system.
  • After the accident, several law enforcement officers arrived to direct traffic and take statements.
C1
  • The legislation outlines the specific circumstances under which a law enforcement officer may use deadly force.
  • Her research focused on the psychological stressors unique to the profession of a law enforcement officer.

Learning

Memory Aids

Mnemonic

Think: LAW (the rules) + ENFORCEMENT (making people follow them) + OFFICER (the person doing the job).

Conceptual Metaphor

THE LAW IS A PHYSICAL ENTITY (that can be 'enforced' or 'upheld'). OFFICERS ARE GUARDIANS/SHIELDS (protecting society).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Avoid direct calques like '*right-enforcement officer*'. The standard Russian equivalent is 'сотрудник правоохранительных органов', which is similarly formal. The informal 'полицейский' maps to 'police officer' or 'cop'.

Common Mistakes

  • Incorrect plural: 'law enforcements officers' (correct: law enforcement officers). Incorrect article: 'a law enforcement' (correct: a law enforcement officer).

Practice

Quiz

Fill in the gap
The new arrived at the scene to secure the evidence.
Multiple Choice

Which of the following is the MOST formal and official term?

FAQ

Frequently Asked Questions

In most contexts, yes. However, 'law enforcement officer' is a broader, more formal term that can include federal agents, sheriffs, and state troopers, not just local police.

Use it in formal writing, legal documents, or when you need to refer generically to anyone with the legal power to enforce laws, regardless of their specific agency (e.g., FBI, DEA, State Patrol).

The plural is 'law enforcement officers'. The word 'enforcement' does not take a plural 's'.

No, it is a descriptive job title, not a form of address. You would address the person as 'Officer Smith' or 'Detective Jones', not 'Law Enforcement Officer Smith'.