1. incredulous not disposed or willing to believe; unbelieving
  2. analysis situs the branch of pure mathematics that deals only with the properties of a figure X that hold for every figure into which X can be transformed with a one-to-one correspondence that is continuous in both directions
  3. Ecclesiastes an Old Testament book consisting of reflections on the vanity of human life; is traditionally attributed to Solomon but probably was written about 250 BC
  4. ungraciousness an offensive lack of good manners
  5. increased made greater in size or amount or degree
  6. active site the part of an enzyme or antibody where the chemical reaction occurs
  7. incarcerate lock up or confine, in or as in a jail
  8. incriminate suggest that someone is guilty
  9. incredulity doubt about the truth of something
  10. encrusted having a hardened crust as a covering
  11. anachronistic chronologically misplaced
  12. increase a process of becoming larger or longer or more numerous
  13. internet site a computer connected to the internet that maintains a series of web pages on the World Wide Web
  14. engrossed giving or marked by complete attention to
  15. nervous system the sensory and control apparatus consisting of a network of nerve cells
  16. inconsistency the quality of lacking a harmonious uniformity among parts
  17. incurvate bend inwards
  18. nervous tissue tissue composed of neurons
  19. uncrossed not crossed
  20. uncreased used especially of fabrics