Modifiers matching obstacle:

• natural,
• tall,
• physical,
• extensive,
• unusual,
• high,
• removable,
• adjacent,
• elevated,
• world,
• external,
• practical,
• common,
• fixed,
• artificial,
• clear,
• solid,
• local,
• additional,
• movable,
• overhead,
• linear,
• vertical,
• rural,
• typical,
• geological,
• structural,
• narrow,
• environmental,
• wooden,
• large,
• size,
• dangerous,
• simple,
• opaque,
• geographic,
• porous,
• mechanical,
• visual,
• interfering,
• outdoor,
• hazardous,
• moving,
• everyday,
• small,
• coming,
• passive,
• nearby,
• penetrating,
• dynamic,
• tricky,
• single,
• rigid,
• multiple,
• advanced,
• thick,
• difficult,
• unmovable,
• special,
• impenetrable,
• dense,
• distant,
• over,
• institutional,
• private,
• soft,
• working,
• urban,
• static,
• concrete,
• psychological,
• architectural,
• permanent,
• underground,
• rectangular,
• stationary,
• creative,

Simple categories matching architectural:

• adornment,
• change,
• item,
• piece,
• structure,
• design,
• object,
• place,
• obstacle,
• ruin,
• feature,
• style,
• gem,
• aggregate,
• support,
• solution,
• works,
• means,
• abstraction,
• appointment,
• practice,
• recreation,
• form,
• space,
• metal,
• content,
• building,
• history,
• interior,
• fragment,
• part,
• device,
• line,
• standard,
• material,
• marker,
• notion,
• hardware,
• installation,
• constituent,
• point,
• territory,
• study,
• science,
• edifice,
• antiquity,
• difference,
• embellishment,
• topic,
• magazine,
• elements,
• opening,
• photography,
• theme,
• break,
• concept,
• artefact,
• block,
• condition,
• monument,
• issue,
• zone,
• theory,
• concrete,
• glass,
• level,
• thing,
• use,
• type,
• tool,
• quality,
• movement,
• ornament,
• unit,
• arrangement,
• ip,
• aspect,
• entity,
• unity,
• application,
• element,
• information,
• stone,
• model,
• trait,
• characteristic,
• resource,
• language,
• layer,
• fitting,
• artifact,
• construction,
• woodworking,
• barrier,
• touch,
• distinction,
• indicator,
• motif,
• stuff,
• landmark,
• product,
• illumination,
• turning,
• system,
• details,
• detail,
• relic,
• journal,
• sector,
• shape,
• plant,
• drawing,
• fixture,
• property,
• work,
• molding,
• panel,
• decision,
• view,
• moulding,
• screen,
• substrate,
• setting,
• subject,
• measure,
• matter,
• finish,
• ornamentation,
• project,
• impediment,
• medium,
• paint,
• trade,
• service,
• site,
• decoration,
• module,
• pattern,
• surface,
• furniture,
• carving,
• component,
• mass,
• lighting,
• vocabulary,
• attribute,
• restriction,
• creation,
• projection,
• tradition,
• coating,
• representation,
• heritage,
• framework,