Look up soil in Wiktionary, the free dictionary.
Soil is a naturally occurring granular covering on the surface of Earth, capable of supporting life.
Soil may also refer to:
- Potting soil, a mixture of organic and mineral materials used as an alternative to soil when growing plants in containers
- Lunar soil, a similar granular covering on the Moon (though without Earth soil's organic components)
- Martian soil, the fine regolith found on the surface of Mars
- Earth (wuxing), an element in Chinese philosophy
- Unwanted substances that make something unclean, such as dirt