1
: a group of things clustered together
a clump of bushes
2
: a compact mass
3
: a heavy tramping sound
clumped; clumping; clumps
: 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
Sharmila Kuthunur, Space.com, 10 Oct. 2025
Scientists, for example, have long wondered whether dark matter can exist in small clumps without a nearby star.
—Chris Young, Interesting Engineering, 10 Oct. 2025
NPR, 10 Oct. 2025
Grant’s eyelashes were noticeably accentuated and clumped together on the top and bottom using mascara only.
—Kaleigh Werner, Footwear News, 6 Oct. 2025
See All Example Sentences for clump
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Noun
Once exposed to sunlight, these clumps are warmed up and act like miniature steam vents in space, releasing water vapor even though the comet itself remains too cold for its surface ice to sublimate directly, the researchers say.
—Sharmila Kuthunur, Space.com, 10 Oct. 2025
Scientists, for example, have long wondered whether dark matter can exist in small clumps without a nearby star.
—Chris Young, Interesting Engineering, 10 Oct. 2025
Verb
Lecornu argued earlier this week that Macron's centrist bloc, its allies, and parts of the opposition could still clump together into a working government.
—NPR, 10 Oct. 2025
Grant’s eyelashes were noticeably accentuated and clumped together on the top and bottom using mascara only.
—Kaleigh Werner, Footwear News, 6 Oct. 2025
See All Example Sentences for clump
Cite this Entry
“Clump.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clump. Accessed 18 Oct. 2025.
Copy CitationKids Definition
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
: to arrange in or cause to form clumps
the serum clumps the bacteria
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