1. unarm take away the weapons from; render harmless
  2. anteroom a large entrance or reception area
  3. inform impart knowledge of some fact, state or affairs, or event to
  4. interim the time between one event, process, or period and another
  5. inertia the tendency of something to stay in rest or motion
  6. onerous burdensome or difficult to endure
  7. gun room military quarters of midshipmen and junior officers on a British warship
  8. sunroom a room enclosed largely with glass and affording exposure to the sun
  9. inroad an encroachment or intrusion
  10. inert unable to move or resist motion
  11. inchworm small hairless caterpillar having legs on only its front and rear segments; mostly larvae of moths of the family Geometridae
  12. enormous extraordinarily large in size or extent or degree
  13. infirm lacking bodily or muscular strength or vitality
  14. inherent existing as an essential constituent or characteristic
  15. ignoramus a person who lacks intelligence or sophistication
  16. income the amount of money one makes over a period of time
  17. aneurysm an abnormal bulge caused by weakening of an artery wall
  18. inure cause to accept or become hardened to
  19. washroom a lavatory (particularly a lavatory in a public place)
  20. inured made tough by habitual exposure