clump

1 of 2

noun

Synonyms of clumpnext
1
: a group of things clustered together
a clump of bushes
2
: a compact mass
3
: a heavy tramping sound
clumpy 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

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Lungwort is a slow grower, forming dense clumps over time. Lauren David, Southern Living, 4 June 2026 Was there really nothing more standing in her way than a pea-size clump of cells? Jonathan Franzen, New Yorker, 1 June 2026
Verb
Its porous nature gives it the ability to aerate the soil for better drainage, so the dirt doesn’t clump together and plant roots have room to expand and don’t stay wet for prolonged periods. Libby Monteith Minor, Southern Living, 6 June 2026 The drug is designed to rapidly block platelets from clumping and restricting blood flow, lessening the adverse outcomes of a heart attack. Justin Zacks, CNBC, 4 June 2026 See All Example Sentences for clump

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

Time Traveler
The first known use of clump was circa 1586

Cite this Entry

“Clump.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clump. Accessed 11 Jun. 2026.

Kids Definition

clump

1 of 2 noun
1
: a group of things clustered together
a clump of bushes
2
: a cluster or lump of something
3
: a heavy tramping sound
clumpy 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
: 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

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