Modifiers matching obstacle:

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

Simple categories matching over:

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