English Reference

Word

slur

US/ˈsɫɝ/

UK/slˈɜː/

Definitions

01to speak unclearly

B2 · Upper Intermediate

v. to speak in a way that is hard to understand because the sounds run together.

v. to articulate speech sounds indistinctly, often by failing to separate words or syllables clearly.

“He was so tired that he started to slur his words.”

“The witness began to slur his speech under the pressure of the cross-examination, making it difficult for the court reporter to maintain an accurate transcript.”

Synonyms

mumblegarble

Antonyms

enunciatearticulate

02to insult

C1 · Advanced Formal

v. to say something insulting or unfair about someone to damage their reputation.

v. to cast aspersions upon someone's character or to utter a derogatory remark intended to discredit.

“The politician was careful not to slur his opponent during the debate.”

“The editorial was criticised for attempting to slur the reputation of the activist without providing any concrete evidence of wrongdoing.”

Antonyms

03to play notes smoothly

C1 · Advanced Music Technical

v. to play or sing a group of musical notes smoothly without a break between them.

v. to perform a sequence of notes in a legato style, ensuring a smooth transition without separate articulation.

“The teacher asked the violinist to slur the next four notes.”

“The composer indicated that the woodwinds should slur the ascending scale to create a more fluid, ethereal atmosphere in the second movement.”

Synonyms

legato

Antonyms

staccato

04an insulting word

B2 · Upper Intermediate Countable noun

n. a very offensive word or remark used to insult a person's race, religion, or background.

n. a derogatory or insulting term, specifically one directed at a particular social, racial, or ethnic group.

“The player was banned for using a racial slur during the game.”

“The use of a homophobic slur in the broadcast resulted in an immediate apology from the network and a formal investigation by the regulator.”

Synonyms

05a musical symbol

C1 · Advanced Countable noun Music Technical

n. a curved line over musical notes that shows they should be played smoothly.

n. a curved line placed over or under a group of notes to indicate they are to be played legato.

“Make sure you follow the slur marked in the third measure.”

“The pianist noted that the slur extended across the bar line, requiring a seamless connection between the two phrases.”

Usage

Often takes the preposition 'against' or 'on' when identifying the target of the insult.

Real-World Examples

“Her words were slurred and hard to comprehend: "I feel my body doesn't belong to me.”
BBC News 25 Aug 2026
“The American alligator has meant many things to Americans, at times prized for its hide, adopted as a mascot and weaponized as a slur.”
The Conversation 11 Aug 2026

Etymology

From Middle English sloor (“thin or fluid mud”). Cognate with Middle Low German sluren (“to trail in mud”). Also related to dialectal Norwegian sløra (“to be careless, to scamp, dawdle”), Danish sløre (“to wobble, be loose”) (especially for wheels); compare Old Norse slóðra (“to drag oneself along”). * (an extremely offensive term): Influenced by various compounds of sense 1 such as racial slur, ethnic slur, etc.

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

Domains

MusicPrinting

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
Occasional
Level
C1 · Advanced
Updated

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English Reference