pièce de résistance
Pronunciation:
/piˈɛs də ɹəˈzɪs.tɑ̃s//piˈɛs də ɹəˈzɪs.tɑ̃s/noun
Definitions
A masterpiece; the most memorable accomplishment of one’s career or lifetime.
Synonyms:magnum opusmasterpieceThe chief dish at a dinner.