1. long since of the distant or comparatively distant past
  2. conscience motivation deriving from ethical or moral principles
  3. lang syne of the distant or comparatively distant past
  4. langsyne past times remembered with nostalgia
  5. longways dance country dancing performed with couples in two long lines facing each other
  6. long-distance covering a long distance
  7. long distance a telephone call made outside the local calling area
  8. congruence the quality of agreeing; being suitable and appropriate
  9. long johns warm underwear with long legs
  10. longing prolonged unfulfilled desire or need
  11. long-range suitable for or reaching long distances
  12. long bone in limbs of vertebrate animals: a long cylindrical bone that contains marrow
  13. longness the property of being of long spatial extent
  14. long-sufferance patient endurance of pain or unhappiness
  15. linguistics the scientific study of language
  16. Lincocin antibiotic (trade name Lincocin) obtained from a streptomyces bacterium and used in the treatment of certain penicillin-resistant infections
  17. longwise in the direction of the length
  18. Lanoxin digitalis preparation (trade name Lanoxin) used to treat congestive heart failure or cardiac arrhythmia; helps the heart beat more forcefully
  19. long pants trousers reaching to the foot
  20. Langside (1568) Catholic forces supporting Mary Queen of Scots were routed by Protestants