1. office staff professional or clerical workers in an office
  2. efficient being effective without wasting time, effort, or expense
  3. efficacy capacity or power to produce a desired result
  4. obsessivity extreme compulsiveness
  5. officiant a clergyman who officiates at a religious ceremony or service
  6. officiate perform a ceremony or religious ritual
  7. face saver an act that avoids a loss of face (of dignity or prestige)
  8. officious intrusive in a meddling or offensive manner
  9. officiousness aggressiveness as evidenced by intruding
  10. officiously in an officious manner
  11. force feed mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings
  12. ice skate skate consisting of a boot with a steel blade fitted to the sole
  13. officer's mess a mess for the exclusive use of officers
  14. officeholder someone who is appointed or elected to an office and who holds a position of trust
  15. effusively in an effusive manner
  16. aficionado a serious devotee of some activity, genre, or performer
  17. eviscerate remove the entrails of
  18. officially in an authoritative role
  19. office boy a young man who is employed to do odd jobs in a business office
  20. off-season the season when travel is least active and rates are lowest