1. Lacking official approval
   - unaccredited, unlicensed

See also: unauthorised [Brit], unauthorized

• yours
• yours sincerely
• yours truly
• yourself
• yourselves
• yous
• youse
• youth
• youth crusade
• youth culture
• youth gang
• youth hostel
• youth movement
• youth subculture
• youth-on-age
• youthful
• youthfully
• youthfulness
• yowl
• yowler
• Ypres
• Yquem
• yr
• ytterbite
• ytterbium