1. dirt ball a person who has a nasty or unethical character undeserving of respect
  2. dirty pool conduct that is unfair or unethical or unsportsmanlike
  3. earthball any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles
  4. earth-ball any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe
  5. dirt bike a lightweight motorcycle equipped with rugged tires and suspension; an off-road motorcycle designed for riding cross country or over unpaved ground
  6. trade bill a statute that would regulate foreign trade
  7. hardball baseball as distinguished from softball
  8. dirtily in a filthy unclean manner
  9. Dyirbal a language of Australian aborigines
  10. drop the ball commit a faux pas or a fault or make a serious mistake
  11. dirigible a steerable self-propelled aircraft
  12. dividable can be divided usually without leaving a remainder
  13. trackball an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen
  14. partible (of e.g. property) capable of being parted or divided
  15. portable easily or conveniently transported
  16. tribal relating to or characteristic of a clan or social group
  17. pier table a low table set below a pier glass
  18. tetherball a game with two players who use rackets to strike a ball that is tethered to the top of a pole; the object is to wrap the string around the pole
  19. third base the base that must be touched third by a base runner in baseball
  20. fireball an especially luminous meteor (sometimes exploding)

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