極きわめつけ

noun which may take the genitive case particle 'no'

certified; guaranteed

Used for items that have been officially appraised or certified as genuine, valuable, or of high quality. Often seen in contexts like art, antiques, or collectibles.

See also: 極め付き

• この茶ちゃ碗わんは極きわめつけの品しなです。

  This tea bowl is a certified piece.

noun which may take the genitive case particle 'no'

acknowledged; acclaimed; notorious

Describes someone or something whose reputation is firmly established, whether positive (acclaimed) or negative (notorious).

• 彼かれは極きわめつけの頑がん固こ者ものだ。

  He is an acknowledged stubborn person.

noun

pièce de résistance; highlight; best part

Colloquial use for the most outstanding or impressive part of something, like the main attraction or the crowning piece.

• 今日きょうの夕ゆう食しょくの極きわめつけは、このデザートだ。

  The pièce de résistance of tonight's dinner is this dessert.