English Reference

Word

clustered

Phoneticsclus·tered, stress on the first syllable

US/ˈkɫəstɝd/

UK/klˈʌstəd/

Definition

adj. growing or gathered together in a small, tight group. You use this to describe things that are very close to each other in one spot.

adj. positioned or occurring in a close group or bunch. Often used to describe data points, physical objects, or people gathered in a specific area.

Examples

“The small houses are clustered together on the hillside.”

“The researchers noticed that the cases of the virus were clustered in just three specific neighborhoods.”

“The telescope revealed a sky filled with clustered galaxies, each containing billions of stars held together by their mutual gravitational pull.”

Examples

simple

“The small houses are clustered together on the hillside.”

contextual

“The researchers noticed that the cases of the virus were clustered in just three specific neighborhoods.”

complex

“The telescope revealed a sky filled with clustered galaxies, each containing billions of stars held together by their mutual gravitational pull.”

Usage

Often used with the adverb 'together' or followed by the preposition 'around'.

Real-World Examples

“Many are clustered around London and the south of England – areas which are officially in drought at the moment.”
BBC News 27 Aug 2026
“At the same time, studies of the cosmic microwave background have long suggested that matter could be more tightly clustered across the largest scales of the Universe than expected.”
ScienceDaily 2 Aug 2026

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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English Reference