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
The shell was safely detonated in the woods near a local compost area by the Massachusetts State Police Bomb Squad the day it was found, authorities said. Julia Marnin, Miami Herald, 18 Sep. 2025 The program planted over one million trees in 2024, produced 100,000 tons of organic compost to fertilize cropland and generated carbon credits that have created a new revenue stream for farmers. Eduardo Garcia, Forbes.com, 18 Sep. 2025
Verb
As for last season’s flowers and plants, a spokesman says that some are used for the next show, some go back in the greenhouse, some are composted and some are sold in the gift shop. Molly Guthrey, Twin Cities, 18 Sep. 2025 The ordinance, which passed with about 71% of the vote in 2022 — requires apartments, restaurants, commercial buildings and permitted events to pay for and provide recycling and composting services. Elliott Wenzler, Denver Post, 16 Sep. 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 21 Sep. 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

Last Updated: - Updated example sentences
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