Synonyms|59Antonyms|1|Broader|2Narrower|0Related|18
7
undersoil
5
clay(noun, land)
5
clod(noun, land)
5
glebe(noun, land)
5
marl(noun, land)
5
mold(noun, land)
5
soil(noun, land)
4
chalk(noun, land)
4
earth
4
ground
4
land
3
clot(noun, land)
3
dirt
3
gravel(noun, land)
3
loam(noun, land)
3
substratum(noun, interiority)
2
dust
2
acres
2
alluvion
2
alluvium
<123>
For more, visit Subsoil on Power Thesaurus
11 years ago|1.5k views|share |citing 
APASmart Define. (2015). subsoil thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/subsoil/thesaurus/synonyms
ChicagoSmart Define. 2015. "subsoil thesaurus" https://smartdefine.org/subsoil/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, subsoil thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/subsoil/thesaurus/synonyms>.
MLASmart Define. "subsoil thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/subsoil/thesaurus/synonyms>