noun
1.
something done or made with extraordinary skill or brilliance
his latest work is unquestionably a masterpiece
Synonyms: chef d'oeuvre, classic, magnum opus, masterwork, tour de force
Related Word: objet d'art, masterstroke
Contrasted words: botch, disaster, fiasco
2.
Synonyms: showpiece , chef d'oeuvre, pièce de résistance