1. labor union an organization of employees formed to bargain with the employer
  2. liberation the act of freeing someone or something
  3. labor pain pain and discomfort associated with contractions of the uterus during labor
  4. labyrinth complex system of paths in which it is easy to get lost
  5. labyrinthian resembling a labyrinth in form or complexity
  6. libration a real or apparent slow oscillation of a moon or satellite
  7. labouring doing arduous or unpleasant work
  8. laboring doing arduous or unpleasant work
  9. labyrinthine resembling a maze in form or complexity
  10. elaboration developing in intricate and painstaking detail
  11. collaboration act of working jointly
  12. librarian a professional person trained in library science and engaged in library services
  13. Cooper Union university founded in 1859 by Peter Cooper to offer free courses in the arts and sciences
  14. libertine unrestrained by convention or morality
  15. opinion a personal belief or judgment
  16. Liberian of or relating to Liberia or its people
  17. Laburnum flowering shrubs or trees having bright yellow flowers
  18. pronoun a function word that is used in place of a noun
  19. Bruneian of or relating to or characteristic of Brunei or its people
  20. Bornean a native or inhabitant of Borneo