1. imperative requiring attention or action
  2. impression a vague idea in which some confidence is placed
  3. prestigious having an excellent reputation; respected
  4. Impressionism a school of late 19th century French painters who pictured appearances by strokes of unmixed colors to give the impression of reflected light
  5. impervious not admitting of passage or capable of being affected
  6. impressed deeply or markedly affected or influenced
  7. impressionism a school of late 19th-century French painters
  8. impressiveness splendid or imposing in size or appearance
  9. imperious having or showing arrogant superiority
  10. Empire State a Mid-Atlantic state; one of the original 13 colonies
  11. imprecise not sharply exact or accurate
  12. imperceptible impossible or difficult to sense
  13. Microstomus a genus of Pleuronectidae
  14. impressive making a strong or vivid mental image
  15. empiricism the doctrine that knowledge derives from experience
  16. imperialism a policy of extending your rule over foreign countries
  17. impreciseness the quality of lacking precision
  18. impress have a powerful and usually positive effect on
  19. abstemious marked by temperance in indulgence
  20. imperceptibly in a manner that is difficult to discern