a chef d'oeuvre

(formal)

an artist's or writer's best piece of work The Decameron is widely regarded as Boccaccio's chef d'oeuvre.

Name	Pronounced	Usage
Milen	-	Bulgarian
Shashi	-	Indian, Hindi, Marathi, Bengali, Kannada, Telugu
Pravin	-	Indian, Marathi, Gujarati, Hindi, Kannada, Telugu, Tamil, Malayalam
Azubuike	-	Western African, Igbo
Urszula	uwr-SHUW-lah	Polish
Wilfrid	WIL-frəd	English