Definition of compost in English:


Syllabification: com·post
Pronunciation: /ˈkämˌpōst


  • 1Decayed organic material used as a plant fertilizer.
    More example sentences
    • Mulch with an organic material such as compost or alfalfa hay.
    • Amend soil regularly with compost and apply organic mulches continually to enrich your soil.
    • There is no fertilizer better than compost, and you can make it yourself for free!
  • 1.1A mixture of decayed organic material with loam and/or other ingredients, used as a growing medium.
    More example sentences
    • With the gardening season now getting into full swing, the trust is urging people to only use peat-free composts in their gardens.
    • In the croft garden we always use peat-free composts and prefer those made from composted bark.
    • Gardening is our fastest growing pastime and the demand for composts is greater than ever - still largely met by commercial peat extraction.


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  • 1Make (vegetable matter or manure) into compost: don’t compost heavily infested plants
    More example sentences
    • You can compost fruits, vegetables, tea bags and coffee grounds, as well as leaf and yard waste.
    • During the composting season, check your bin regularly to assure optimum moisture and aeration are present in the material being composted.
    • At this time of year it's also important to regularly remove dead flowers and leaves from plants and then compost this material for later return of the nutrients to the beds.
  • 1.1Treat (soil) with compost: we turned clay soil into almost workable soil by composting it
    More example sentences
    • When planting tulip or daffodil bulbs in a formal display it pays to make sure that the soil has been well composted and forked over beforehand.
    • They like shade and composted soil and plenty of water.
    • He saw how well the tomatoes flourished in that dark composted soil.



More example sentences
  • There are much better things to do with compostable material.
  • Nationally we will be increasing the waste going to landfill in direct opposition to the EU requirements to reduce compostable waste going to landfill.
  • Councillors also gave a new green bin scheme for collecting compostable waste the go-ahead.


More example sentences
  • Some composters find that mixing the two together is more effective than layering.
  • But by tilling them directly into the soil, Susan saves a trip to the composter and her soil's ready by spring.
  • Some home composters sell their finished compost to local nurseries or other family gardeners.


late Middle English: from Old French composte, from Latin composita, compositum 'something put together', feminine and neuter past participle of componere.

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