名詞 ultimate:

1. the finest or most superior quality of its kind

形容詞 ultimate:

1. furthest or highest in degree or order; utmost or extreme
2. being the last or concluding element of a series

1. Their ultimate weapon was the threat of an all-out strike.
   他們最後的殺手　是威脅舉行大罷工。
2. The ultimate luxury of the trip was flying in Concorde.
   這一行程中最大的享受就是乘坐協和式飛機。
3. Our ultimate objective is the removal of all nuclear weapons.
   我們的最終目標是消除所有核武器。
4. The sun is the ultimate source of energy.
   太陽是能量的最基本來源。