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
Most compost has a relatively neutral pH and working a 2- to 3-inch layer of compost into the top 6 inches of your soil reduces acid levels, and improves your soil structure and nutrient content at the same time. Lauren Landers, Better Homes & Gardens, 9 Apr. 2025 Add compost, pine bark, or pine straw about 1 to 2 inches deep to conserve moisture and slow down weeds. Mary Marlowe Leverette, Southern Living, 9 Apr. 2025
Verb
Compost starters are typically added to new compost piles to jumpstart the composting process. Lauren Landers, Better Homes & Gardens, 4 Apr. 2025 Waste management is a focus with regular composting and staff awareness training for environmentally sound water and waste practices. Meredith Lepore, Travel + Leisure, 29 Mar. 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 20 Apr. 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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