Modifiers matching sediment:

• harmful,
• granular,
• fine,
• soft,
• larger,
• coarse,
• unconsolidated,
• mixed,
• loose,
• clastic,
• stable,
• lighter,
• undesirable,
• dark,
• removable,
• heavier,
• clean,
• mobile,
• natural,
• permeable,
• large,
• new,
• young,
• heavy,
• alluvial,
• consolidated,
• textured,
• heterogeneous,
• moving,
• microscopic,
• softer,
• aluminous,
• suspended,
• quaternary,
• finer,
• cohesive,
• postglacial,
• compressible,
• calcareous,
• sized,
• recent,
• deep,
• reflective,
• size,
• basic,
• slippery,
• marine,
• moist,
• organic,
• semipermeable,
• wet,
• physical,
• out,
• dense,
• underlying,
• conductive,
• weak,
• resistant,
• residual,
• tight,
• argillaceous,
• glacial,
• coloured,
• volcanic,
• sterile,
• sensitive,
• artificial,
• small,
• inorganic,
• unwanted,
• impermeable,
• protective,
• harder,
• biogenic,
• chemical,
• packed,
• thick,
• insoluble,
• friable,
• elastic,
• uniform,
• saturated,
• porous,
• siliceous,

Simple categories matching harder:

• agent,
• medium,
• currency,
• material,
• stone,
• particle,
• powder,
• work,
• surface,
• boot,
• substrate,
• metal,
• stimulant,
• glass,
• drug,
• filler,
• substance,
• assets,
• feldspar,
• alloy,
• object,
• abrasive,
• structure,
• sport,
• wood,
• formation,
• aggregate,
• genre,
• cheese,
• rock,
• tissue,
• food,
• part,
• ingredient,
• music,
• gemstone,
• thing,
• polymer,
• sediment,
• narcotic,
• crystal,
• mineral,
• deposit,
• layer,
• resin,
• stuff,
• ground,
• pin,
• fabric,