1. ivory tower a state of mind that is discussed as if it were a place
  2. ivory tree tropical Asian tree with hard white wood and bark formerly used as a remedy for dysentery and diarrhea
  3. overdress put on special clothes to appear particularly appealing and attractive
  4. fortress a fortified defensive structure
  5. overstress place special or excessive emphasis on
  6. everydayness ordinariness as a consequence of being frequent and commonplace
  7. overture orchestral music at the beginning of an opera or musical
  8. avoirdupois a system of weights based on the 16-ounce pound
  9. effortless requiring or apparently requiring no work
  10. overthrow rule against
  11. overturn cause to flip from an upright or normal position
  12. overdose dose too heavily
  13. inheritress a female heir
  14. overtire tire excessively
  15. ovaritis inflammation of the ovaries
  16. overpower defeat by superior force
  17. overdressed dressed too elaborately
  18. a fortiori with greater reason
  19. fire tower a watchtower where a lookout is posted to watch for fires
  20. overdrive a high gear used at high speeds to maintain the driving speed with less output power