1. dirty pool conduct that is unfair or unethical or unsportsmanlike
  2. dirt ball a person who has a nasty or unethical character undeserving of respect
  3. tire tool hand tool consisting of a lever that is used to force the casing of a pneumatic tire onto a steel wheel
  4. dirty bomb an atom bomb that leaves considerable radioactive contamination
  5. North Pole the northernmost point of the Earth's axis
  6. dirt bike a lightweight motorcycle equipped with rugged tires and suspension; an off-road motorcycle designed for riding cross country or over unpaved ground
  7. deed poll a deed made and executed by only one party
  8. red poll hornless short-haired breed of beef and dairy cattle
  9. dirtily in a filthy unclean manner
  10. redpoll small siskin-like finch with a red crown
  11. trade bill a statute that would regulate foreign trade
  12. dirigible a steerable self-propelled aircraft
  13. dirty word an offensive or indecent word or phrase
  14. dirty joke an indelicate joke
  15. dirty dog a person who is deemed to be despicable or contemptible
  16. virtue the quality of doing what is right
  17. dart player someone who plays the game of darts
  18. earth-ball any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe
  19. tadpole a larval frog or toad
  20. irritable easily annoyed

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