Modifiers matching obstacle:

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

Simple categories matching static:

• force,
• strength,
• object,
• defense,
• image,
• page,
• information,
• component,
• situation,
• content,
• variable,
• advantage,
• property,
• elements,
• obstacle,
• requirement,
• document,
• event,
• equipment,
• representation,
• value,
• item,
• semantics,
• method,
• furniture,
• engine,
• structure,
• boundary,
• converter,
• organs,
• supply,
• posture,
• hardware,
• procedure,
• conception,
• test,
• measure,
• benchmark,
• concept,
• medium,
• design,
• tissue,
• magnitude,
• rank,
• subject,
• system,
• drawing,
• entity,
• gasket,
• data,
• signal,
• interaction,
• seal,
• setup,
• article,
• symbol,
• network,
• material,
• implement,
• website,
• filter,
• game,
• time,
• diagram,
• route,
• environment,
• arrangement,
• set,
• quantity,
• opponent,
• equilibrium,
• web,
• behaviour,
• position,
• activity,
• thing,
• work,
• arts,
• airfoil,
• checkers,
• form,
• cloth,
• phenomenon,
• issue,
• frame,
• testing,
• constraint,
• chart,
• genre,
• region,
• scene,
• characteristic,
• art,
• metric,
• resource,
• mechanism,
• location,
• fixture,
• domain,
• anatomy,
• organism,
• peculiarity,
• behavior,
• weapon,
• space,
• analysis,
• barrier,
• point,
• works,
• appliance,
• industry,
• block,
• dimension,
• part,
• substance,
• pressure,
• shape,
• sport,
• area,
• level,
• file,
• state,
• site,
• machine,
• language,
• facility,
• control,
• source,
• training,
• exercise,
• process,
• publication,
• module,
• essence,
• documentation,
• installation,
• simulation,
• imperfection,
• view,
• toy,
• terms,
• power,
• section,
• graphics,
• artifact,
• date,
• product,
• body,
• presentation,
• stuff,
• type,
• text,
• sensor,
• measurement,
• check,
• pattern,
• use,
• load,
• criterion,
• model,
• factor,
• dissipation,
• picture,
• knowledge,
• attribute,
• computer,
• zone,
• platform,
• scheme,
• category,
• disturbance,
• battle,
• feature,
• unit,
• deformation,
• production,
• abstraction,
• device,
• display,
• gear,
• application,
• table,
• surface,
• vehicle,
• sign,
• solution,
• relationship,