Modifiers matching layer:

• protective,
• warm,
• external,
• waterproof,
• fibrous,
• central,
• thin,
• outer,
• porous,
• base,
• particulate,
• safe,
• textured,
• new,
• transparent,
• disposable,
• graphical,
• impervious,
• molecular,
• absorbent,
• physical,
• magnetic,
• atomic,
• conventional,
• conductive,
• thinner,
• geographic,
• homogeneous,
• metal,
• birefringent,
• geologic,
• intermediate,
• confining,
• synthetic,
• clear,
• stretchy,
• periodic,
• structural,
• luminescent,
• solid,
• particular,
• anatomical,
• weak,
• expensive,
• basic,
• several,
• competent,
• crystalline,
• amorphous,
• unique,
• comfortable,
• heterogeneous,
• elastic,
• distinct,
• resilient,
• impenetrable,
• slippery,
• bituminous,
• polymeric,
• ceramic,
• artificial,
• surrounding,
• biological,
• organic,
• inhomogeneous,
• flammable,
• fluid,
• thematic,
• interfacial,
• epithelial,
• harder,
• smooth,
• dynamic,
• environmental,
• decorative,
• calcareous,
• operational,
• upper,
• essential,
• subsurface,
• top,
• inorganic,
• binary,
• optical,
• exterior,
• functional,
• pliable,
• sensitive,
• active,
• tenacious,
• colored,
• flexible,
• extra,
• relevant,
• planar,
• structured,
• bound,
• possible,
• finished,
• fragile,
• dense,
• resistant,
• dry,
• supporting,
• generalised,
• metallic,
• floating,
• critical,
• iron,
• atmospheric,
• specular,
• horizontal,
• geographical,
• semantic,
• plastic,
• hard,
• useful,
• common,
• level,
• sticky,
• impermeable,
• aggregate,
• diverse,
• managerial,
• cultural,
• washable,
• conformable,
• detrimental,
• overhead,
• retinal,
• permeable,
• inner,
• compliant,
• fatty,
• adjacent,
• reflective,
• doped,
• stable,
• undesirable,
• soft,
• anisotropic,
• cortical,
• foreign,
• ancillary,
• spatial,
• multiple,
• opaque,
• geological,
• perceptual,
• natural,
• additional,
• thick,
• immobile,
• fat,
• changing,
• absorptive,
• first,
• minor,
• number,
• detailed,
• complex,
• liquid,
• individual,
• digital,
• real,
• heavy,
• unwanted,
• architectural,
• superficial,
• related,
• rigid,
• simple,
• underlying,
• hygienic,
• good,
• logical,
• middle,
• hydrophobic,
• ferromagnetic,
• sacrificial,
• unusual,
• single,
• conceptual,
• color,

Simple categories matching impermeable:

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