Modifiers matching obstacle:

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

Simple categories matching over:

• meal,
• document,
• time,
• airfoil,
• surface,
• fiber,
• wall,
• endeavor,
• pest,
• web,
• area,
• barrier,
• item,
• space,
• thing,
• grain,
• material,
• ground,
• polyurethane,
• support,
• connection,
• job,
• equipment,
• medication,
• knot,
• object,
• territory,
• plastic,
• cracker,
• vegetable,
• location,
• concept,
• body,
• building,
• food,
• resource,
• tissue,
• wrongdoing,
• bed,
• attribute,
• system,
• belt,
• deposit,
• facility,
• fixture,
• hole,
• trail,
• industry,
• world,
• bait,
• structure,
• image,
• rod,
• channel,
• opening,
• substrate,
• institution,
• point,
• entity,
• activity,
• week,
• interface,
• faculty,
• process,
• cabaret,
• disorder,
• village,
• control,
• network,
• topic,
• property,
• years,
• footwear,
• break,
• issue,
• panel,
• dessert,
• injury,
• holiday,
• slab,
• links,
• illness,
• region,
• criterion,
• hull,
• substance,
• obstruction,
• matter,
• term,
• commodity,
• noise,
• obstacle,
• bus,
• use,
• park,
• practice,
• pasta,
• position,
• liquid,
• garment,
• signal,
• course,
• mortal,
• medium,
• subject,
• art,
• behavior,
• extra,
• wire,
• airline,
• investment,
• trace,
• contaminant,
• packing,
• void,
• set,
• domain,
• terrain,
• nail,
• athlete,
• toy,
• feature,
• cavity,
• hardware,
• style,
• action,
• waterway,
• component,
• resin,
• part,
• alloy,
• force,
• land,
• condition,
• metal,
• genre,
• wrap,
• period,
• assets,
• event,
• green,
• sector,
• colors,
• instrument,
• variable,
• fence,
• paint,
• joint,
• coating,
• lysozyme,
• information,
• water,
• cable,
• rule,