1. double stopping stopping two strings and producing two notes at the same time
  2. triple-spacing typing that leaves two lines blank between lines of typing
  3. double dipping two incomes received from the same source
  4. double glazing a window with two panes of glass and a space between them
  5. double-dealing acting in bad faith
  6. double saucepan two saucepans, one fitting inside the other
  7. troublesomeness a difficulty that causes anxiety
  8. double-spacing typing that leaves alternate lines blank
  9. table tapping alleged form of communication with spirits of the dead
  10. table tipping manipulation of a table during a seance
  11. table rapping alleged form of communication with spirits of the dead
  12. troubling causing distress, worry, or anxiety
  13. double clinch a clinch with two loops
  14. doublespeak language that conceals or misrepresents the truth
  15. troublesome difficult to deal with
  16. trouble oneself take the trouble to do something; concern oneself
  17. triple sec type of curacao having higher alcoholic content
  18. double blind a test procedure in which the identity of those receiving the intervention is concealed from both the administrators and the subjects until after the test is completed; designed to reduce or eliminate bias in the results
  19. marbleising a texture like that of marble
  20. unsleeping fully awake