masterwork

[ mas-ter-wurk, mah-ster- ]

/ ˈmæs tərˌwɜrk, ˈmɑ stər- /

Origin of masterwork

First recorded in 1600–10; master + work

He was soon forced to publicly apologize for writing what he considered his masterwork.

Why the CIA Loved ‘Doctor Zhivago’ |Kevin Canfield |June 26, 2014 |DAILY BEAST
It was Kanye who asked Takashi Murakami to design the cover his 2007 masterwork, Graduation.

Kanye, Jay Z, and Lady Gaga Love the Art World, and the Art World Loves Them |Simon de Pury |August 2, 2013 |DAILY BEAST
But we know very little about the woman who became the inspiration for his masterwork, Les Fleurs du Mal.

Baudelaire’s Femme Fatale Muse |James MacManus |May 7, 2013 |DAILY BEAST
But his "War Song of Gamelbar," for male voices, is really a masterwork.

Contemporary American Composers |Rupert Hughes

The twelfth-century cloister was indeed a masterwork among those examples, all too rare, existing to-day.

Castles and Chateaux of Old Touraine and the Loire Country |Francis Miltoun
Within three years of his death, namely in 1513, he could produce such a masterwork as the altar-piece in S. Giovanni Crisostomo.

Six Centuries of Painting |Randall Davies
The old-time chteau, constructed in the fifteenth century, was the masterwork of a famous Angevin architect, Jean Lespine by name.

Rambles in Brittany |Francis Miltoun
Indeed it has created a factitious interest in da Vinci's masterwork.

The Merry-Go-Round |Carl Van Vechten