compost

1 of 2

noun

com·​post ˈkäm-ˌpōst How to pronounce compost (audio)
especially British -ˌpäst
Synonyms of compostnext
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
If your plant is dead it can be put into your compost pile. Ashley Chalmers, The Spruce, 11 Feb. 2026 Alongside its recycled design ethos, the hotel runs on solar power, uses its own water wells, composts, and aims to be as self-sufficient as possible. Stephanie Rafanelli, Condé Nast Traveler, 11 Feb. 2026
Verb
This is far from the state’s goal to reduce, recycle or compost 75% of all the waste produced, a target mandated by 2022’s Senate Bill 54. Kerry Jackson, Oc Register, 4 Feb. 2026 Neighbors said people complained about the smell of King composting. Kansas City Star, 3 Feb. 2026 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 15 Feb. 2026.

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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