Elementary (A2)
IPA: /ˈklʌstər/
KK: /ˈklʌstər/
Definition
To come together in groups or clusters.
Example
The flowers cluster together in the garden during spring.
Tense Forms
Past: clustered
Past Participle: clustered
Conversation

Have you noticed how the flowers cluster together in the garden?

Yeah, it looks beautiful when they bloom like that!

I love how they cluster in different colors, too.

It makes the whole place feel so lively and cheerful.
Synonyms & Antonyms
Definition
A group of similar things that are close together or occur at the same time.
Example
The garden had a beautiful cluster of flowers blooming together.
Conversation

Have you seen that cluster of stars in the sky lately?

Yeah, it's beautiful! I love stargazing on clear nights.

I heard it's part of a larger constellation.
Definition
To cause something to grow or form into groups or bunches.
Example
The gardener decided to cluster the flowers together for a more vibrant display.
Tense Forms
Past: clustered
Past Participle: clustered
Conversation

Have you seen how the flowers cluster together in the garden?

Yeah, it's beautiful! They look so vibrant when they grow that way.

I love how they cluster in different colors, it makes everything so lively.
Root Explanation
Cluster → The word originates from Old English 'clyster' (meaning a bunch or group). It refers to a collection of things grouped closely together.
Memory Tip
Think of a 'bunch' or 'group' when you hear the word cluster, as it describes things that are gathered closely together.
Visually Confused Words
clubster
luster
becluster
louster
fluster
cruster
clyster
clutter