English Reference

Word

law

Phoneticslaw

US/ˈɫɑ/

UK/lˈɔː/

Definitions

01official rules of a country

A2 · Elementary Uncountable noun Law

n. the whole system of rules that everyone in a country or city must obey.

n. the body of binding rules and regulations established by legislative and judicial authorities within a jurisdiction.

“In this country, the law says you must wear a seatbelt while driving.”

“The new law aims to protect consumer privacy by imposing heavy fines on companies that mishandle personal data.”

Antonyms

02a specific rule

A2 · Elementary Countable noun Law

n. one particular rule that has been officially made by a government.

n. a specific binding regulation or custom established in a community.

“The government passed a new law to reduce plastic waste in the ocean.”

“Several local laws were enacted to restrict noise levels in residential areas after midnight.”

Synonyms

03the legal profession

B1 · Intermediate Uncountable noun Law

n. the work or study of being a lawyer or judge.

n. the profession or field of knowledge encompassing jurisprudence and legal practice.

“After finishing university, she decided to study law and become a solicitor.”

“He spent thirty years practicing law before being appointed as a senior judge in the high court.”

Synonyms

jurisprudencelegal practice

04scientific principle

B2 · Upper Intermediate Countable noun Science Academic

n. a rule that explains how something always works in nature or science.

n. a statement of fact, deduced from observation, to the effect that a particular natural or scientific phenomenon always occurs if certain conditions are present.

“Students in physics class learn about Newton's laws of motion.”

“The second law of thermodynamics states that the total entropy of an isolated system can never decrease over time.”

05the police

B2 · Upper Intermediate Uncountable noun Informal

n. a way to talk about the police or people with authority.

n. a collective reference to law enforcement officers or agencies.

“The bank robbers tried to escape, but they couldn't outrun the law.”

“After years of living on the edge of the legal system, he finally had a serious run-in with the law.”

06a hill

C2 · Proficiency Countable noun Dialect · British English

n. a word used in some places for a hill that looks like a cone.

n. a rounded or conical hill, primarily used in Scottish and Northern English contexts.

“We spent the afternoon hiking up the local law to see the view.”

“The village sits at the foot of a steep law that dominates the surrounding landscape.”

Synonyms

Collocations

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

01. international law

Usage

Uncountable when referring to the legal system or profession as a whole; countable when referring to a specific rule or statute.

Pitfall

He broke the laws.

He broke the law.

When referring to the legal system in general, use the uncountable form 'the law' rather than the plural.

Real-World Examples

“Governor Gavin Newsom signed laws Wednesday aimed at protecting California workers from the threats of artificial intelligence , including potential job losses and workplace surveillance.”
The Guardian 1 Oct 2026
“Four years ago to the day, Natasha's Law was introduced requiring food outlets to provide a full ingredients list and allergy labelling for foods made and packaged on the premises for direct sale, following a campaign by Tanya and Nadim Ednan-Laperouse.”
BBC News 1 Oct 2025
“The rules - known as "Natasha's Law" - require full ingredient and allergen labelling on all food made on premises and pre-packed for direct sale.”
BBC News 1 Oct 2021
“Under California's measure, a lawyer "shall not delegate the practice of law" to generative AI.”
Reuters 1 Sept 2026

Etymology

Clipping of Lawrence; From the given name Lawrence.

From Old English hlaw (“a hill or burial mound”).

A semantic loan of Greek νόμος (nómos, “law”), rendering Hebrew תּוֹרָה (tōrāh, “instruction, teaching”) in the sense of divine law.

From Cantonese 羅 /罗 (lo⁴). Doublet of Luo and Lo.

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

Synonyms

Word family

Related words

Idioms

Domains

AviationLawLinguisticsLogicMathematicsMilitary

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.A2 KeyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.3.0–4.0TOEFL 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: 2.0–2.524–43TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.225–549
Frequency
Very common
Level
A2 · ElementaryOxford
Updated

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