1. difficult requiring great physical or mental effort to accomplish
  2. difficulty an effort that is inconvenient
  3. articulate express or state clearly
  4. difficultness the quality of being difficult
  5. civic leader a leader in municipal affairs
  6. viticulture the cultivation of grapes and grape vines; grape growing
  7. vacuolated formed into or containing one or more vacuoles or small membrane-bound cavities within a cell
  8. auscultate examine by auscultation
  9. included enclosed in the same envelope or package
  10. troglodyte one who lives in solitude
  11. auriculated having auricles
  12. secluded hidden from general view or use
  13. facultative of or relating to the mental faculties
  14. calculated carefully thought out in advance
  15. diverticulitis inflammation of a diverticulum in the digestive tract
  16. silviculture the branch of forestry dealing with the development and care of forests
  17. concluded having come or been brought to a conclusion
  18. articulated consisting of segments held together by joints
  19. trinucleated having three nuclei
  20. occluded closed off