Under- and UN-

123456789101112131415
Across
  1. 1. draw a line beneath
  2. 2. Lower than a graduate
  3. 3. a person who studies under a performer
  4. 6. pull up by the roots
  5. 7. coming up
  6. 8. insufficiently privileged
  7. 11. person who signs at the end or a document
  8. 12. lift up
  9. 14. bring up to date
  10. 15. Shrubs that grow under trees
Down
  1. 1. insufficiently developed
  2. 2. person who has suddenly risen to wealth
  3. 3. raise the grade or quality of
  4. 4. upward turn toward better conditions
  5. 5. standing up straight
  6. 6. maintenance
  7. 8. a statement below the truth
  8. 9. Insufficient payment
  9. 10. sell at a lower price
  10. 13. Violent heaving up