1. unperceiving lacking perception
  2. unnerving inspiring fear
  3. unforgiving unwilling or unable to forgive or show mercy
  4. undeserving not worthy of being treated in a particular way
  5. inward-moving moving or directed toward the center or axis, especially when spinning or traveling in a curve
  6. fire-raising malicious burning to destroy property
  7. eye-deceiving creating the illusion of seeing reality
  8. intensifying increasing in strength
  9. unswerving going directly from one point to another
  10. engraving making engraved or etched plates and printing designs from them
  11. unrewarding not rewarding; not providing personal satisfaction
  12. John Irving United States writer of darkly humorous novels
  13. uncurving having no curves
  14. inner resource a resource provided by the mind or one's personal capabilities
  15. unbelieving rejecting any belief in gods
  16. unperceived not perceived or commented on
  17. inverse function a function obtained by expressing the dependent variable of one function as the independent variable of another; f and g are inverse functions if f(x)=y and g(y)=x
  18. fire-resisting difficult to burn
  19. intrusiveness aggressiveness as evidenced by intruding
  20. winter savory erect perennial subshrub having pink or white flowers and leathery leaves with a flavor of thyme; southern Europe