Lobster Thermidor is a classic French dish that was popularized in the late 19th and early 20th centuries. It features succulent lobster meat cooked in a creamy sauce, flavored with mustard, brandy, and herbs. The dish is traditionally finished under a grill with a breadcrumb topping. While 'Lobster Thermidor' may sound fancy and intimidating, there are a few other synonyms you can use to refer to this dish. Some common synonyms for Lobster Thermidor are Lobster Newburg, Lobster Á La Nantua, and Lobster Cardinal. So, the next time you order this luxurious dish, you can impress your friends by using one of these alternative names.