Modifiers matching recreation:

• outdoor,
• intense,
• active,
• adult,
• new,
• exciting,
• dangerous,
• common,
• passive,
• intrusive,
• extensive,
• indoor,
• social,
• marine,
• casual,
• physical,
• organized,
• traditional,
• historical,
• compatible,
• round,
• public,
• oriented,
• general,
• formal,
• maritime,
• secondary,
• unstructured,
• supporting,
• structured,
• informal,
• modern,
• hazardous,
• coastal,
• weather,
• architectural,
• additional,
• sporting,
• deviant,
• competitive,
• nearby,
• free,
• seasonal,
• local,
• commercial,
• quiet,
• noncommercial,
• aquatic,
• offer,
• artistic,
• varied,
• solitary,
• wonderful,
• stimulating,
• private,
• primary,
• cultural,
• male,
• personal,
• safe,
• unique,
• diverse,
• outside,
• alternative,
• electronic,
• healthy,
• popular,
• equestrian,
• risky,
• individual,

Simple categories matching unstructured:

• content,
• document,
• recreation,
• writing,
• play,
• project,
• situation,
• metadata,
• time,
• information,
• activity,
• way,
• form,
• text,
• description,
• material,
• entity,
• language,
• times,
• file,
• data,
• medium,
• communication,
• object,
• format,
• process,
• model,
• group,
• source,
• classroom,