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Definition of cluster

cluster

/ˈklʌs.tər/
clus · ter

Plural:clusters
•
Adjective:clustered
•
Past Simple:clustered
•
Past Participle:clustered
•
Present Participle:clustering
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cluster Lexical Profile

cluster Game Scores & Validity

• noun

1

A group of similar things or people positioned or occurring closely together.

Example

"A small cluster of tourists gathered around the museum guide to hear the history of the painting."


2

A large gravitationally bound system of stars or galaxies in space.

Example

"Astronomers used the space telescope to photograph a distant cluster of galaxies."


3

A group of two or more consecutive consonant sounds within a single syllable or word, or a group of interconnected computers working together as a single system.

Example

"The university upgraded its high-performance computing cluster to process climate models faster."

Synonyms
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• verb

1

To come together or cause to gather into a close group or bunch.

Example

"The children clustered around the science table to watch the chemical reaction."

Synonyms
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Antonyms
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• Rhymes for cluster

Word Origin & Etymology

From Old English clyster ('a bunch or cluster'), which is of Germanic origin and related to the verb 'clot', originally referring to a mass of things sticking or growing closely together.

Cite this Entry


Wordmom. (2026). Definition of Cluster. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/cluster
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