Modifiers matching soil:

• size,
• heavy,
• textured,
• residual,
• soggy,
• stubborn,
• solid,
• lipophilic,
• soft,
• infertile,
• alluvial,
• permeable,
• plastic,
• common,
• moist,
• ordinary,
• organic,
• typical,
• hydrophobic,
• structured,
• finer,
• unwanted,
• aggregate,
• cohesive,
• basic,
• fine,
• moving,
• insoluble,
• frictional,
• local,
• tough,
• compressible,
• tillable,
• inert,
• stony,
• unstable,
• dense,
• outdoor,
• heterogeneous,
• active,
• pervious,
• bad,
• complex,
• impervious,
• hydrophilic,
• colored,
• humid,
• conductive,
• expansive,
• sticky,
• marine,
• weak,
• softer,
• visible,
• sandy,
• wet,
• difficult,
• friable,
• light,
• oily,
• nonconductive,
• nonpolar,
• red,
• dry,
• sterile,
• damp,
• standard,
• tight,
• nutrient,
• granular,
• lighter,
• poor,
• resistant,
• soluble,
• mild,
• strong,
• clean,
• subsurface,
• loose,
• dispersive,
• sensitive,
• inorganic,
• overlying,
• industrial,
• indigenous,
• packed,
• chalky,
• absorbent,
• leafy,
• gritty,
• heavier,
• hard,
• natural,
• medium,
• alkaline,
• coarse,
• lightweight,
• compact,
• sedimentary,
• saturated,
• toxic,
• porous,
• impermeable,
• spongy,
• fitting,
• unconsolidated,
• particulate,
• thick,
• stable,
• surficial,
• free,
• rich,
• irregular,
• mixed,
• acidic,
• firm,
• everyday,
• particular,

Simple categories matching impermeable:

• component,
• membrane,
• material,
• surface,
• fabric,
• sediment,
• sheet,
• earth,
• barrier,
• rock,
• container,
• unit,
• wall,
• substance,
• cover,
• soil,
• area,
• enclosure,
• particle,
• stone,
• glove,
• deposit,
• fluid,
• means,
• substrate,
• region,
• pavement,
• covering,
• metal,
• molecule,
• filler,
• layer,
• medium,
• polymer,
• structure,
• sphere,
• reservoir,
• coating,
• solute,
• compound,
• formation,
• plastic,
• condom,
• object,
• matter,