1. problem solving the thought processes involved in solving a problem
  2. purple amaranth tall showy tropical American annual having hairy stems and long spikes of usually red flowers above leaves deeply flushed with purple; seeds often used as cereal
  3. problematical making great mental demands
  4. problematically in such a way as to pose a problem
  5. problematic making great mental demands
  6. problem solver a thinker who focuses on the problem as stated and tries to synthesize information and knowledge to achieve a solution
  7. propellant any substance that moves forward with force
  8. power plant an electrical generating station
  9. problem a question raised for consideration or solution
  10. propellent any substance that propels
  11. propulsion the act of moving forward
  12. purple passage a passage full of ornate and flowery language
  13. perplexity trouble or confusion resulting from complexity
  14. purple martin large North American martin of which the male is blue-black
  15. perplexed full of difficulty or confusion or bewilderment
  16. Prunus cuneata small straggling American cherry growing on sandy soil and having minute scarcely edible purplish-black fruit
  17. complex quantity (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
  18. propeller plane an airplane that is driven by a propeller
  19. Palm Sunday Sunday before Easter
  20. purple sage silvery-leaved California herb with purple flowers