1. unslaked lime a white crystalline oxide used in the production of calcium hydroxide
  2. slaked lime a caustic substance produced by heating limestone
  3. unscheduled not planned or on a regular timetable
  4. unselective not selective or discriminating
  5. intellectual of or associated with or requiring the use of the mind
  6. unsaleable impossible to sell
  7. insolently in an insolent manner
  8. unsaddle remove the saddle from
  9. genus Laccopetalum one species: giant buttercup
  10. insolent marked by casual disrespect
  11. unassailable impossible to attack
  12. unselected not selected
  13. unsalable impossible to sell
  14. tonsillectomy surgical removal of the palatine tonsils
  15. unsettle cause to feel nervous, anxious, or upset
  16. genus Lagidium a genus of Chinchillidae
  17. unsullied free from blemishes
  18. unsaddled with no saddle
  19. unsealed not closed or secured with or as if with a seal
  20. unsalted without salt or seasoning