1. darkly without light
  2. dark blue a dark shade of blue
  3. dark-blue of a dark shade of blue
  4. Barkley United States politician and lawyer
  5. daringly in an adventurous manner
  6. frugally in a frugal manner
  7. trolley a vehicle that runs on rails and is propelled by electricity
  8. lyrically in a lyrical manner
  9. tragically in a tragic manner; with tragic consequences
  10. regally in a regal manner
  11. parallel being everywhere equidistant and not intersecting
  12. Berkeley Irish philosopher and Anglican bishop who opposed the materialism of Thomas Hobbes (1685-1753)
  13. Dark Ages the period of history between classical antiquity and the Italian Renaissance
  14. trackball an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen
  15. metrically with regard to meter
  16. darken make dark or darker
  17. turkey leg the lower joint of the leg of a turkey
  18. starkly in a stark manner
  19. recall bring to mind
  20. heroically in a heroic manner