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

See also: unsuccessful

• Zeomorphi
• zep
• Zephaniah
• zephyr
• zephyrus
• zeppelin
• Zeppo
• zero
• zero hour
• zero in
• zero point
• zero tolerance
• zero-coupon bond
• zero-coupon security
• zero-rate
• zero-sum
• zero-sum game
• zero-tolerance policy
• zeroth
• zeroth law of thermodynamics
• zest
• zester
• zestful
• zestfully
• zestfulness