Opposite words for greater:
Usage samples:
  1. During dinner he took the greater part of the conversation upon himself, and evidently expected to be listened to.
    "Weighed and Wanting", George MacDonald.
  2. I never saw a greater change in any one than in that girl.
    "The Captain of the Gray-Horse Troop", Hamlin Garland.
  3. Although this other city may be dead also, hope is now a little greater.
    "Out of the Earth", George Edrich.
  4. God is greater than all.
    "The Faith of Islam", Edward Sell.