1. bus fare the fare charged for riding a bus or streetcar
  2. biosphere the regions of the Earth where living organisms exist
  3. persevere be persistent, refuse to stop
  4. pacifier device used for an infant to suck or bite on
  5. Passover (Judaism) a Jewish festival (traditionally 8 days from Nissan 15) celebrating the exodus of the Israelites from Egypt
  6. busbar an electrical conductor that makes a common connection between several circuits
  7. bizarre conspicuously or grossly unconventional or unusual
  8. BuSpar a drug (trade name BuSpar) designed specifically for anxiety
  9. pass over travel across or pass over
  10. buffer protect from impact
  11. thus far used in negative statement to describe a situation that has existed up to this point or up to the present time
  12. safari a journey to hunt or see animals, especially in Africa
  13. passive lacking in energy or will
  14. severe very harsh or strict, especially when dealing with others
  15. misfire fail to fire or detonate
  16. busker a person who entertains people for money in public places (as by singing or dancing), usually while asking for money
  17. buster a robust child
  18. by far by a considerable margin
  19. bustier a close-fitting and strapless top without sleeves that is worn by women either as lingerie or for evening dress
  20. pisiform a small wrist bone that articulates only with the triquetral