1. counterproductive tending to hinder the achievement of a goal
  2. contradict prove negative; show to be false
  3. nonproductive not directly productive
  4. interpretative providing explanation
  5. unproductive not producing or capable of producing
  6. reproductive producing new life or offspring
  7. sound reproduction the reproduction of sound
  8. contrapuntist a composer who specializes in counterpoint
  9. inner product a real number (a scalar) that is the product of two vectors
  10. contradictory not able to be true at the same time
  11. overprotective overly protective
  12. contrast the opposition or dissimilarity of things that are compared
  13. underproduction inadequate production or less than expected
  14. contradiction opposition between two conflicting forces or ideas
  15. contributive tending to bring about; being partly responsible for
  16. vector product a vector that is the product of two other vectors
  17. contrabandist someone who imports or exports without paying duties
  18. end product final product; the things produced
  19. software product merchandise consisting of a computer program that is offered for sale
  20. contraindicate suggest that something (e.g., a treatment) is inadvisable