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Synonyms

topsoil

American  
[top-soil] / ˈtɒpˌsɔɪl /

noun

  • topsoils
    plural
  1. the fertile, upper part of the soil.


verb (used with object)

  1. to cover (land) with topsoil.

topsoil British  
/ ˈtɒpˌsɔɪl /

noun

  1. the surface layer of soil

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to spread topsoil on (land)

  2. to remove the topsoil from (land)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
topsoil Scientific  
/ tŏp′soil′ /
  1. The upper portion of a soil, usually dark colored and rich in organic material. It is more or less equivalent to the upper portion of an A horizon in an ABC soil.


topsoil Cultural  
  1. The thin, rich layer of soil where most nutrients for plants are found.


Discover More

The loss of topsoil through erosion is a major agricultural problem.

Most of the land-based biological activity of the Earth takes place here.

Other Word Forms

Noun Inflected Forms

Etymology

Origin of topsoil

First recorded in 1860–65; top 1 + soil 1

Vocabulary lists containing topsoil

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

According to LVV's head of environment Tommi Muilu, work at the sites included the removal of trees and topsoil, the construction of site roads and storage areas, and changes to ditches.

From BBC ● Oct. 6, 2026

By clearing invasive trees and replanting native grasslands, he replenished the land’s topsoil and resurrected a dozen natural springs—which, in turn, lured back birds, insects and other wildlife.

From The Wall Street Journal ● Feb. 4, 2026

One method -- termed "moving mountains" -- was described in 2015 by China's top industry and technology regulator as "first cutting down trees, then clearing weeds and finally stripping away the topsoil, causing irreparable damage".

From Barron's ● Dec. 21, 2025

Those tests typically had been used to determine whether cleanup crews should remove more than the first 6 inches of topsoil.

From Los Angeles Times ● Apr. 20, 2025

“You know, Nan, I was talking to Jubilee about buying some grass seed for the yard. You’re losing your topsoil because there’s nothing rooted down.”

From "Hope Springs" by Jaime Berry

France's cadmium rate in earth of 0.25 mg/kg is only slightly higher than the EU average of 0.20, according to a 2024 study of topsoils in the bloc.

From Barron's ● May 13, 2026

Healthy topsoils are also seriously diminished, as are agricultural lands, converted to other uses, and global food supplies, which are ever more expensive.

From The Guardian ● Oct. 15, 2010

Other sites may have gooey, very fine clay topsoils, almost inevitably with gooey, very fine clay subsoils as well.

From Gardening Without Irrigation: or without much, anyway by Steve Solomon

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