1. alertness a state of readiness to respond
  2. pertness quality of being lively and confident
  3. inertness immobility by virtue of being inert
  4. aptness appropriateness for the occasion
  5. uprightness righteousness as a consequence of being honorable and honest
  6. expertness skillfulness by virtue of possessing special knowledge
  7. apparentness the property of being apparent
  8. abruptness the quality of happening without warning
  9. absurdness a message whose content is at variance with reason
  10. operoseness the quality of requiring extended effort
  11. adroitness skillful performance or ability without difficulty
  12. prettiness the quality of being appealing in a delicate or graceful way
  13. uppityness assumption of airs beyond one's station
  14. acridness extreme bitterness
  15. adeptness skillful performance or ability without difficulty
  16. weirdness strikingly out of the ordinary
  17. separateness the state of being several and distinct
  18. aridness a deficiency of moisture
  19. elaborateness marked by elaborately complex detail
  20. opportuneness timely convenience

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.