の極み（のきわみ）
no kiwami
the pinnacle of; the extreme of
[The pinnacle of / The extreme of]
Connection: Noun + の極み
Usage: Expresses that something has reached the ultimate extreme or pinnacle. More literary and dramatic than の至り. Can be used with both positive and negative nouns.
Common phrases:
Examples:
この料理は贅沢の極みだ。(This dish is the ultimate in luxury.)
疲労の極みに達して、倒れてしまった。(I reached the point of utter exhaustion and collapsed.)
彼の演技は芸術の極みと言える。(His performance can be called the pinnacle of art.)