1. protagonist the principal character in a work of fiction
  2. past tense a verb tense that expresses actions or states in the past
  3. antagonist someone who offers opposition
  4. postage the charge for mailing something
  5. indigenous originating where it is found
  6. staginess an artificial and mannered quality
  7. post chaise closed horse-drawn carriage with four wheels
  8. postpone hold back to a later time
  9. posthumous occurring or coming into existence after a person's death
  10. posturing adopting a vain conceited posture
  11. nystagmus involuntary movements of the eyeballs
  12. bird genus a genus of birds
  13. mistaken wrong in opinion or judgment
  14. postulant one submitting a request or application especially one seeking admission into a religious order
  15. plant genus a genus of plants
  16. painstaking characterized by extreme care and great effort
  17. pos tagger a tagging program whose labels indicate a word's part of speech
  18. staging a system of scaffolds
  19. postern a small gate in the rear of a fort or castle
  20. pistachio nut nut of Mediterranean trees having an edible green kernel