Modifiers matching shelter:

• portable,
• open,
• smaller,
• temporary,
• protective,
• makeshift,
• animal,
• natural,
• erect,
• alternative,
• suitable,
• inside,
• fixed,
• mobile,
• safe,
• damp,
• nearby,
• warm,
• up,
• irregular,
• major,
• humid,
• separate,
• dark,
• communal,
• traditional,
• underground,
• informal,
• sturdy,
• internal,
• small,
• private,
• outdoor,
• larger,
• covered,
• basic,
• artificial,
• homeless,
• outside,
• recreational,
• under,
• permanent,
• indoor,

Simple categories matching outdoor:

• feature,
• activity,
• information,
• outerwear,
• game,
• sport,
• water,
• advertisement,
• arrangement,
• area,
• adventurer,
• excursion,
• variable,
• event,
• machinery,
• item,
• toy,
• location,
• occupation,
• performance,
• artifact,
• organization,
• structure,
• tent,
• noise,
• surface,
• season,
• cookware,
• attire,
• fabric,
• ornamental,
• animal,
• ornament,
• leather,
• gathering,
• speaker,
• condition,
• sound,
• elements,
• art,
• worker,
• plant,
• device,
• firework,
• training,
• piece,
• place,
• lamp,
• amusement,
• carnival,
• modification,
• professional,
• atmosphere,
• substance,
• celebration,
• entertainment,
• skill,
• setting,
• glove,
• obstacle,
• loudspeaker,
• pest,
• situation,
• injury,
• container,
• display,
• pavement,
• usage,
• contest,
• enthusiast,
• occasion,
• bath,
• play,
• recreation,
• workplace,
• insect,
• profession,
• pet,
• seeker,
• color,
• adventure,
• treatment,
• user,
• vehicle,
• theme,
• advertising,
• covering,
• shoes,
• flower,
• light,
• show,
• waste,
• garment,
• stuff,
• resource,
• table,
• club,
• publicity,
• wood,
• particle,
• ornamentation,
• position,
• business,
• fire,
• enclosure,
• appliance,
• room,
• concert,
• impact,
• tag,
• planting,
• crop,
• wall,
• duty,
• space,
• danger,
• property,
• track,
• group,
• assembly,
• product,
• bird,
• jacket,
• installation,
• affair,
• sportsman,
• balcony,
• fun,
• part,
• chemical,
• person,
• allergen,
• fixture,
• lighting,
• clothing,
• market,
• wrap,
• arena,
• endeavor,
• application,
• lot,
• instruction,
• decoration,
• home,
• decor,
• equipment,
• soil,
• lover,
• substrate,
• package,
• component,
• works,
• attraction,
• ceremony,
• module,
• work,
• antigen,
• instrument,
• implement,
• picture,
• care,
• medium,
• festival,
• zone,
• employee,
• production,
• venue,
• critter,
• protection,
• subject,
• experience,
• cover,
• apparel,
• cat,
• site,
• shelter,
• use,
• shrub,
• clothes,
• trade,
• function,
• party,
• chair,
• furniture,
• thing,
• building,
• umbrella,
• road,
• pastime,
• exhibition,
• enjoyment,
• obstruction,
• maintenance,
• material,
• antenna,
• article,
• project,
• occurrence,
• industry,
• pursuit,
• pollutant,
• system,
• contaminant,
• footwear,
• facility,
• job,
• construction,
• amphitheater,
• program,
• tool,
• education,
• court,
• tank,
• scene,
• opening,
• support,
• accessory,
• drain,
• object,
• stadium,
• communication,
• illumination,
• environment,
• furnishing,
• sign,
• predator,
• optics,
• barrier,
• hazard,
• possession,
• graphics,
• power,
• service,
• source,
• ride,
• labor,
• paving,
• unit,
• task,
• gear,