adjective / noun

ultimate

UL-tuh-mut/ˈʌltɪmət/

At the furthest or final point of a progression.

The finished object marks the ultimate stage of the craft sequence.

A sequence of three small craft stages ends at the finished object in a clearly final position, with a terminal stop mark after it; final stage, no superlative slogan.
Etymology

Coming to an end supplies the image of a final point beyond which nothing further remains. That endpoint can be a process’s final aim or an extreme understood as the greatest or most important.

In context

Beyond The Villain1:19
It is the final stage of power where human judgment is completely removed and replaced by an algorithm of brains. It shows us that the ultimate form of tyranny doesn't look like a dictator. It looks like safety.
How SYBIL SYSTEM Predicted Our Future About AI and Nobody Is Talking About It | PSYCHO-PASS

More examples

  • The committee has ultimate responsibility for approving the budget.
  • For her, a quiet cabin is the ultimate in luxury.
  • The investigation seeks the ultimate cause of the failure.

Forms

ultimate · ultimates

ultimately adverb — At the end of a process.

Similar words

final
Marks the last stage, not necessarily the highest.
supreme
Emphasizes highest rank or authority rather than sequence.
fundamental
Emphasizes an underlying basis rather than an endpoint.