1. beautiful pleasing to the senses
  2. artful not straightforward or candid
  3. ungrateful not feeling or showing gratitude
  4. untruthful not expressing or given to expressing the truth
  5. unfruitful not fruitful; not conducive to abundant production
  6. unfaithful not true to duty, obligation, or promises
  7. undutiful lacking due respect or dutifulness
  8. insightful exhibiting clear and deep perception
  9. untactful lacking or showing a lack of what is fitting and considerate in dealing with others
  10. grateful feeling or showing thankfulness
  11. unearthly suggesting the operation of supernatural influences
  12. ungratefully in an ungrateful manner
  13. untruthfully in a mendacious and untruthful manner
  14. unravel become or cause to become undone by separating the fibers of
  15. effortful requiring great physical effort
  16. unratable not subject to locally assessed property taxes
  17. artfully in an artful manner
  18. unregretful feeling no regret
  19. unratified lacking legal authority
  20. unworthily in an unworthy manner

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