最さい高こう作さく

noun

magnum opus; best work

Refers to an artist's or creator's greatest work. Often used in contexts like literature, film, or art. Similar to 最高傑作.

See also: 最高傑作

• この映えい画がは監かん督とくの最さい高こう作さくと言いわれている。

  This film is said to be the director's best work.