1. protagonist the principal character in a work of fiction
  2. improvidently in an improvident manner
  3. inconsiderable too small or unimportant to merit attention
  4. imponderable difficult or impossible to evaluate with precision
  5. impenetrable not admitting of passage into or through
  6. vulnerable capable of being wounded or hurt
  7. considerably to a great extent or degree
  8. impregnable incapable of being attacked or tampered with
  9. considerable large in number, amount, extent, or degree
  10. improvident not supplying something useful for the future
  11. impracticably to an impracticable degree
  12. imperfectible capable of being made imperfect
  13. impregnably in an impregnable manner
  14. impracticable not capable of being carried out or put into practice
  15. improvidence a lack of prudence, care, or foresight
  16. inconsiderately without consideration; in an inconsiderate manner
  17. impressionable easily influenced
  18. imprudently in an imprudent manner
  19. Army of the Confederacy the southern army during the American Civil War
  20. imperfectibility the capability of becoming imperfect

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