compost

1 of 2

noun

com·​post ˈkäm-ˌpōst How to pronounce compost (audio)
 especially British  -ˌpäst
1
: a mixture that consists largely of decayed organic matter and is used for fertilizing and conditioning land
2

compost

2 of 2

verb

composted; composting; composts

transitive verb

: to convert (a material, such as plant debris) to compost
compostable adjective
composter noun

Examples of compost in a Sentence

Verb We compost leaves in our backyard.
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
Do not add to the compost pile because the seeds can live in the soil for up to 20 years. Mary Marlowe Leverette, Southern Living, 11 June 2025 Copy Facebook Pinterest Photo by Alanna Hale When travelers at Bali’s Desa Potato Head order cups of coffee brewed from the island’s famed beans, the leftover grounds don’t go in the trash—or even the compost. Jen Rose Smith, AFAR Media, 27 May 2025
Verb
The composting program is an extension of an initiative the city piloted last fall. Tess Kenny, Chicago Tribune, 30 May 2025 Like its sister property in Denver, Populus Seattle is committed to a robust array of sustainability initiatives, including planting a tree for every night’s stay, using 100 percent renewable electricity, and composting all food waste. Bailey Berg, AFAR Media, 27 May 2025 See All Example Sentences for compost

Word History

Etymology

Noun

Anglo-French, from Medieval Latin compostum, from Latin, neuter of compositus, compostus, past participle of componere

First Known Use

Noun

1587, in the meaning defined at sense 1

Verb

1829, in the meaning defined above

Time Traveler
The first known use of compost was in 1587

Browse Nearby Words

Cite this Entry

“Compost.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/compost. Accessed 19 Jun. 2025.

Kids Definition

compost

noun
com·​post
ˈkäm-ˌpōst
: a mixture largely of decayed matter of once living things (as plant debris) used for fertilizing and conditioning land

More from Merriam-Webster on compost

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