1. Of persons; marked by failure to realize full potentialities
   "unfulfilled and uneasy men"
   - unrealized, unrealised [Brit]

See also: unsuccessful

• Yangtze Kiang
• Yangtze River
• yank
• Yankee
• Yankee corn
• Yankee-Doodle
• yanker
• yanquapin
• yanqui
• Yaoundé
• yap
• yap away
• yappy
• yard
• yard donkey
• yard goods
• yard line
• yard marker
• yard measure
• yard sale
• yard-long bean
• yardage
• yardarm
• yardbird
• Yardbird Parker