1. an outstanding work of art or craft; a masterpiece

Examples

• The cathedral is considered a masterwork of Gothic architecture.
• Her latest novel is truly a masterwork of contemporary fiction.
• The painting was recognized as a masterwork by art critics worldwide.
• This symphony represents the composer’s greatest masterwork.
• The craftsman spent years creating his masterwork in wood carving.
• Many consider this film to be the director’s masterwork.