1. single bed a bed for one occupant
  2. single-bedded having single beds
  3. single out select from a group
  4. singleton the playing card that is the only card in a suit held in a bridge hand as initially dealt
  5. single-spaced (of type or print) not having a blank space between lines
  6. single-minded determined
  7. single quote a single quotation mark
  8. swing around turn abruptly and face the other way, either physically or metaphorically
  9. single-lane having a single lane for traffic in both directions
  10. single-foot a rapid gait of a horse in which each foot strikes the ground separately
  11. single prop a propeller plane with a single propeller
  12. single-handed without help from others
  13. single-celled having a single cell (and thus not divided into cells)
  14. spellbound having your attention fixated as though by a spell
  15. single-humped having one hump
  16. single-seeded having a single seed
  17. single entry a simple bookkeeping system
  18. singleness the quality of concentrating on one central objective
  19. sing along sing with a choir or an orchestra
  20. snowbound confined or shut in by heavy snow