1. endlessness the property of being (or seeming to be) without end
  2. windlessness calmness without winds
  3. Insessores a bird with feet adapted for perching
  4. ordered series an ordered reference standard
  5. beardless iris any of numerous wild or cultivated irises having no hairs on the drooping sepals (the falls)
  6. Scindapsus aureus evergreen liana widely cultivated for its variegated foliage
  7. World Series series that constitutes the playoff for the baseball championship
  8. in series of or relating to the sequential performance of multiple operations
  9. intelligence service a unit responsible for gathering and interpreting information about an enemy
  10. mindlessness total lack of meaning or ideas
  11. endless having no known beginning and presumably no end
  12. endlessly continuing forever without end
  13. actinide series (chemistry) a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium
  14. lanthanide series the rare-earth elements with atomic numbers 57 through 71
  15. boundlessness the quality of being infinite; without bound or limit
  16. soundlessness the property of making no sound
  17. knight's service land tenure by service to the lord as a knight
  18. Andres Segovia Spanish guitarist who made classical guitar a concert instrument (1893-1987)
  19. genus Plesiosaurus a reptile genus of suborder Plesiosauria
  20. genus Cereus genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white