a.[Z][B]

1. 最後的，最終的
   My ultimate goal is to have your consent in marrying me.

   我最終的目標就是要妳答應嫁給我。

   After many defeats, the war ended for us in ultimate victory.

   經過多次失敗，戰爭以我們的最終勝利而結束。

2. 基本的，根本的；最初的，最早的
   Hard work is the ultimate source of success.

   努力工作是成功之本。

3. 【口】最大的，極限的
   He gave his life and thereby paid the ultimate price.

   他犧牲了生命，由此付出了最大的代價。

n.

1. 最終的事物，終極，結局；極限；頂點[the S][（+in）]
   This car is the ultimate in luxury.

   這是最奢華的汽車。

2. 基本原則[C]
   The denial of these ultimates results in mass selfishness.

   否定這些基本原則會導致普遍的自私。

adj.

1. being or happening at the end of a process.
2. being the best or most extreme example of its kind:
   the ultimate accolade.
3. basic or fundamental.
4. Physics  denoting the maximum possible strength or resistance beyond which an object breaks.

n.

1. (the ultimate) the best achievable or imaginable of its kind:
   the ultimate in luxury.
2. a final or fundamental fact or principle.