Soilless

Origin

soil + -less

Full definition of soilless

Adjective

1. Lacking home soil; dispossessed
• If they live in squalor, in filth, in crime, with hope and joy gone, a homeless, soilless army of human prey.
2. Not containing soil
• 2007, October 4, Leslie Land, Garden Q.&A., One popular recipe for a homemade version is two parts soilless mix like Pro-Mix and one part each vermiculite and perlite.