clump

1 of 2

noun

ˈkləmp 

1

: a group of things clustered together

a clump of bushes

2

: a compact mass

3

: a heavy tramping sound

clumpy

ˈkləm-pē 

adjective

clump

2 of 2

verb

clumped; clumping; clumps

intransitive verb

1

: to walk or move clumsily and noisily

2

: to form clumps

transitive verb

: to arrange in or cause to form clumps

Synonyms

Noun

• cluster
• batch
• bunch
• collection
• array
• grouping
• group
• assemblage

Verb

• shuffle
• stomp
• stumble
• lump
• slough

Examples of clump in a Sentence

Noun

There is a clump of bushes at the edge of the field.

I could hear the clump of his footsteps as he came down the stairs.

Verb

The virus clumps the cells together.

a child clumping around the house in her father's oversized boots

Recent Examples on the Web

Noun

This smooths out the distribution of axions within galaxies, preventing the formation of smaller clumps and ultra-dense cores. —ArsTechnica, 25 June 2025

Because smaller clumps of dark matter cause less extreme warping, this sensitivity will allow researchers to detect and characterize smaller, less massive dark matter structures. —Robert Lea, Space.com, 17 June 2025

Verb

Environmental Benefits of Increasing Oysters in U.S. Waters Found in salty or coastal waters, oysters clump together to live in shells, along piers and on top of rocks. —Noël Fletcher, Forbes.com, 26 June 2025

Blood clots are clumped together by thread-like proteins called fibrin. —Melissa Rudy, FOXNews.com, 16 June 2025

Word History

Etymology

Noun

probably from Low German klump

First Known Use

Noun

circa 1586, in the meaning defined at sense 1

Verb

1665, in the meaning defined at intransitive sense 1

Rhymes for clump

• bump
• chump
• crump
• dump
• gump
• hump
• jump
• lump
• plump
• pump
• rump
• slump

Kids Definition

clump

1 of 2 noun

ˈkləmp 

1

: a group of things clustered together

a clump of bushes

2

: a cluster or lump of something

3

: a heavy tramping sound

clumpy

ˈkləm-pē 

adjective

clump

2 of 2 verb

1

: to walk or move clumsily and noisily

2

: to form or cause to form clumps

Medical Definition

clump

1 of 2 noun

ˈkləmp 

: a clustered mass of particles (as bacteria or blood cells) compare agglutination

clump

2 of 2 intransitive verb

: to form clumps

transitive verb

: to arrange in or cause to form clumps

the serum clumps the bacteria