English Reference

Word

rude

US/ˈɹud/

UK/ɹˈuːd/

Definitions

01impolite

A2 · Elementary

adj. not polite; having or showing bad manners towards other people.

adj. lacking in civility or discourteous in manner. This is the primary modern sense of the word.

“It is very rude to interrupt someone while they are speaking.”

“The shop assistant was incredibly rude to the customers, refusing to answer basic questions about the products on display.”

Synonyms

impolitediscourteousbad-mannered

02offensive or sexual

B1 · Intermediate

adj. relating to sex or things that people might find offensive or embarrassing.

adj. socially unacceptable or slightly obscene; often used to describe jokes, gestures, or language.

“He got in trouble at school for telling a rude joke during lunch.”

“The comedian was known for his rude humor, which frequently pushed the boundaries of what was considered acceptable for television.”

Teaching tip

In British English, 'rude' is the standard way to describe 'dirty' jokes or adult content without being overly clinical.

Antonyms

03roughly made

B2 · Upper Intermediate

adj. made in a simple or rough way, without much skill or detail.

adj. roughly or crudely constructed; lacking refinement or sophisticated workmanship.

“The hikers built a rude shelter out of branches to stay dry during the storm.”

“The archaeologists discovered a rude stone altar that appeared to predate the more ornate temple structures nearby.”

04vigorous health

C1 · Advanced British English

adj. used in the phrase 'rude health' to mean very strong and healthy.

adj. vigorous, robust, or hearty; almost exclusively found in the fixed collocation 'rude health'.

“Despite being over eighty years old, he is still in rude health.”

“The company's balance sheet appeared to be in rude health, suggesting it could easily weather a temporary downturn in the market.”

Usage

Almost always used as part of the phrase 'in rude health'.

Teaching tip

This is a high-level idiomatic use. It does not mean the person is impolite; it means they look exceptionally fit.

Antonyms

05cool or impressive

C2 · Proficiency Slang · British English · Dialect

adj. used by young people to mean something is very good, cool, or impressive.

adj. denoting excellence, coolness, or high status within specific urban subcultures.

“That new car he bought is actually well rude.”

“The track features a rude bassline that immediately became a favorite in the underground club scene.”

Teaching tip

This is specific to Multicultural London English (MLE). Outside of this specific dialect, 'rude' remains a negative word.

Synonyms

Antonyms

Collocations

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

Verb

01. be rude

“Please don't be rude to your grandmother.”

verb + adj

02. rude about

“They were rude about our food and did not eat it.”

adj + prep

Adjective

03. extremely rude

“Shouting at your teacher is extremely rude.”

adv + adj

04. quite rude

“She was quite rude to the waiter and did not smile.”

adv + adj

05. really rude

“It was really rude of him not to say thank you.”

adv + adj

Noun

06. rude behavior

“The teacher will not accept rude behavior in class.”

adj + noun

07. rude comment

“She made a rude comment about my new haircut.”

adj + noun

08. rude person

“That rude person shouted at the bus driver.”

adj + noun

09. a rude message

“She sent me a rude message last night.”

10. be rude to someone

“It's wrong to be rude to someone who helps you.”

11. don't be rude

“Don't be rude - say sorry to your friend.”

12. it was rude of you

“It was rude of you to laugh at him.”

Word family

ADJECTIVE

rude(A2)

Related words

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
Common
Level
A2 · ElementaryOxford
Updated

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