C1noun2K

Cluster

UK /["/ˈklʌstə(r)/"]/US /["/ˈklʌstər/"]/

Definition

a group of things of the same type that grow or appear close together

In simple words: A group of things that are close together.

Examples

  • The cluster of stars was visible in the clear night sky.
  • We need to analyze the data cluster to understand the patterns.
  • She found a cluster of grapes that were ripe for picking.
  • The scientists observed a cluster of bacteria under the microscope.
  • In social media, a cluster of influencers can significantly affect trends.
  • The data cluster showed a diversity of responses from the survey.
  • A cluster of houses near the lake creates a picturesque view.
  • During the experiment, the researchers noted the cluster of reactions.

Usage notes

Use 'cluster' when referring to a collection of similar items or people. It's neutral and appropriate in both spoken and written contexts. Avoid using it in very formal contexts where specific terms might be preferred.

Grammar pattern

cluster + of + plural noun

Memory hint

Think of 'cluster' like a close-knit group of friends huddled together.

Collocations

  • little
  • small
  • large
  • in a/​the cluster
  • cluster of
  • little
  • small
  • large
  • in a/​the cluster
  • cluster of

Synonyms

  • group
  • bunch
  • collection
  • assemblage
  • array

Antonyms

  • separation
  • dispersal

Common mistakes

  • Confused with 'clutter', which refers to mess.
  • Using 'cluster' with singular nouns (e.g., 'a cluster of tree' instead of 'a cluster of trees').
  • Overusing 'cluster' instead of specific terms like 'group' or 'bunch' in casual conversation.