Modifiers matching obstruction:

• up,
• dense,
• permanent,
• physical,
• removable,
• solid,
• hidden,
• vertical,
• geographic,
• temporary,
• hazardous,
• typical,
• urethral,
• underground,
• opaque,
• visible,
• hydraulic,
• discrete,
• terrestrial,
• nearby,
• under,
• past,
• overhead,
• artificial,
• clear,
• visual,
• impenetrable,
• internal,
• low,
• isolated,
• movable,
• insurmountable,
• spatial,
• significant,
• layer,
• short,
• additional,
• external,
• rigid,
• indoor,
• current,
• hard,
• common,
• surrounding,
• immovable,
• topical,
• nasal,
• metal,
• level,
• linear,
• lateral,
• small,
• smaller,
• raised,
• taller,
• upright,
• mechanical,
• subsurface,
• outdoor,
• featureless,
• horizontal,
• major,
• structural,
• environmental,
• lighted,
• adjacent,
• minor,
• simple,
• natural,
• bigger,
• unusual,
• larger,
• tall,
• local,
• multiple,
• virtual,
• cooler,
• electrical,
• fixed,
• underwater,
• relevant,
• large,
• over,
• elongated,
• irregular,

Simple categories matching visible:

• area,
• abstraction,
• disorder,
• object,
• region,
• behaviour,
• pest,
• thing,
• message,
• behavior,
• location,
• infection,
• evidence,
• display,
• part,
• marker,
• change,
• characteristic,
• measure,
• structure,
• light,
• filler,
• fat,
• room,
• item,
• element,
• reminder,
• animal,
• panel,
• cell,
• means,
• body,
• institution,
• capillary,
• imperfection,
• place,
• blemish,
• character,
• leak,
• repair,
• label,
• wound,
• works,
• industry,
• effort,
• space,
• fixture,
• contaminant,
• symptom,
• lesion,
• sign,
• artifact,
• hazard,
• distinction,
• organization,
• articulator,
• aspect,
• tool,
• pathology,
• universe,
• sector,
• symbol,
• aggregate,
• pin,
• authorities,
• reaction,
• cause,
• record,
• seam,
• band,
• intrusion,
• figure,
• particle,
• entity,
• stuff,
• wealth,
• world,
• elements,
• coating,
• office,
• assembly,
• point,
• alteration,
• color,
• matter,
• damage,
• container,
• reward,
• fault,
• parasite,
• event,
• ways,
• agent,
• alliance,
• signal,
• watermark,
• trace,
• sport,
• arena,
• business,
• image,
• invertebrate,
• contamination,
• feature,
• state,
• vehicle,
• medium,
• problem,
• choice,
• species,
• form,
• uniform,
• domain,
• mutation,
• ability,
• rock,
• response,
• stain,
• minority,
• information,
• society,
• dirt,
• device,
• impurity,
• facility,
• artefact,
• quality,
• group,
• issue,
• impairment,
• function,
• marking,
• equipment,
• spot,
• category,
• star,
• vapour,
• emotion,
• organism,
• plate,
• difference,
• tattoo,
• disease,
• pattern,
• soil,
• obstruction,
• level,
• defect,
• fluid,
• ink,
• morphology,
• talisman,
• widget,
• situation,
• activity,
• improvement,
• nature,
• computer,
• assets,
• product,
• resource,
• mark,
• irradiation,
• process,
• component,
• representation,
• bed,
• waste,
• hardware,
• creature,
• control,
• indication,
• accessory,
• abnormality,
• phenomenon,
• led,
• barrier,
• disability,
• energy,
• publication,
• pollutant,
• injury,
• precipitation,
• indicator,
• residue,
• style,
• bird,
• attribute,
• vein,
• trait,
• service,
• artery,
• clothing,
• monument,
• substance,
• flaw,
• article,
• action,
• surface,
• radiation,
• material,
• benefit,
• incident,
• seed,
• result,
• content,
• unit,
• garment,
• landmark,
• position,
• gadget,
• way,
• credential,
• jewelry,
• crime,
• field,
• outcome,
• accoutrement,
• register,
• property,
• target,
• time,
• condensation,
• undergarment,