Modifiers matching barrier:

• environmental,
• passive,
• solid,
• conductive,
• physical,
• regulatory,
• hard,
• visual,
• vertical,
• impenetrable,
• basic,
• resistant,
• protective,
• artificial,
• stable,
• chemical,
• flexible,
• new,
• low,
• external,
• home,
• old,
• real,
• logical,
• natural,
• continuous,
• permanent,
• outdoor,
• moveable,
• visible,
• defined,
• typical,
• positive,
• fixed,
• animal,
• concrete,
• metallic,
• nonstructural,
• technical,
• light,
• temporary,
• larger,
• durable,
• static,
• endothelial,
• minor,
• moving,
• porous,
• molecular,
• rigid,
• structural,
• accessible,
• conventional,
• level,
• thin,
• immovable,
• major,
• disposable,
• impermeable,
• under,
• erect,
• coastal,
• secure,
• over,
• exterior,
• architectural,
• mobile,
• horizontal,
• surrounding,
• mechanical,
• symbolic,
• suitable,
• simple,
• effective,
• up,
• physiological,
• confining,
• residential,
• small,
• high,
• geological,
• nonmetallic,
• institutional,
• upright,
• removable,
• linear,
• opaque,
• reliable,
• thick,
• penetrating,
• permeable,
• normal,
• behavioural,
• multiple,
• significant,
• hydraulic,

Simple categories matching solid:

• solute,
• object,
• material,
• foundation,
• thing,
• edible,
• deposit,
• surface,
• data,
• wood,
• abrasive,
• idea,
• flooring,
• saccharide,
• waste,
• weapon,
• fabric,
• instrument,
• dielectric,
• core,
• stain,
• particle,
• substrate,
• clothing,
• structure,
• adhesive,
• fuel,
• magnet,
• impurity,
• footgear,
• carrier,
• coating,
• sweetener,
• area,
• part,
• shape,
• insulator,
• missile,
• food,
• medication,
• concrete,
• footwear,
• wall,
• film,
• investment,
• decoration,
• section,
• base,
• brand,
• paper,
• foodstuff,
• colors,
• powder,
• makeup,
• science,
• sample,
• recipe,
• characteristic,
• mixture,
• cheese,
• ware,
• composition,
• alcohol,
• board,
• boundary,
• precursor,
• hydrocarbon,
• organ,
• fertiliser,
• contaminant,
• attribute,
• ball,
• filler,
• rock,
• soil,
• pollutant,
• manure,
• contamination,
• coat,
• anchor,
• neoplasm,
• polygon,
• particulate,
• content,
• aluminum,
• stick,
• region,
• rest,
• assets,
• feed,
• top,
• matter,
• quality,
• projectile,
• planet,
• furniture,
• dosage,
• thread,
• specimen,
• chemical,
• cancer,
• facility,
• combustible,
• article,
• stuff,
• growth,
• cylinder,
• ingredient,
• piece,
• publication,
• information,
• commodity,
• equipment,
• ballast,
• hardwood,
• catalyst,
• fastener,
• tumour,
• foam,
• electrolyte,
• lipid,
• electrode,
• value,
• block,
• matrix,
• medicine,
• property,
• beverage,
• nature,
• portion,
• image,
• tumor,
• aggregate,
• color,
• propellant,
• cosmetic,
• pane,
• lesion,
• favorite,
• lubricant,
• bar,
• volume,
• evidence,
• receptacle,
• iron,
• fence,
• plastic,
• wax,
• cement,
• device,
• starches,
• binder,
• carbohydrate,
• volatile,
• state,
• line,
• compound,
• system,
• container,
• plan,
• deformation,
• ornament,
• guidebook,
• metal,
• malignancy,
• spread,
• pin,
• substratum,
• construction,
• explosive,
• obstacle,
• gemstone,
• fixture,
• vegetable,
• preparation,
• credential,
• fruit,
• education,
• space,
• drink,
• fibre,
• addition,
• carbon,
• timber,
• barrier,
• substance,
• obstruction,
• mechanics,
• constituent,
• biomass,
• hair,
• tree,
• fencing,
• sugar,
• rod,
• team,
• grain,
• needle,
• sphere,
• profession,
• item,
• counter,
• earth,
• formation,
• message,
• fat,
• meal,
• element,
• embolus,
• resin,
• debris,
• cargo,
• symbol,
• component,
• projection,
• implement,
• medicament,
• joint,
• carbonate,
• subject,
• tissue,
• fluid,
• recovery,
• viscera,
• converter,
• mineral,
• conductor,
• fare,
• mass,
• world,
• thermoplastic,
• salt,
• oxide,
• platform,
• absorbent,
• tool,
• drug,
• aerosol,
• sorbent,
• ink,
• shaft,
• slurry,
• scrap,
• coal,
• stone,
• entity,
• member,
• byproduct,
• grey,
• backing,
• lead,
• nickel,
• medium,
• process,
• oil,
• interface,
• agent,
• sheet,
• refrigerant,
• laser,
• representation,
• crystal,
• acid,
• figure,
• tone,
• support,
• layer,
• organs,
• sterol,
• pollution,
• fertilizer,
• polymer,
• form,
• feature,
• residue,
• product,
• ring,
• fiber,
• plant,
• protein,
• topper,
• unit,
• body,