Tournedos is a French term that refers to a thick, juicy slice of beef tenderloin or filet mignon. It is often served with a sauce and a variety of side dishes. If you are looking for some alternatives to tournedos, then some of the synonyms you can use include filet mignon, beef tenderloin, chateaubriand, entrecote, ribeye, and sirloin. Each of these cuts of beef has its own unique flavor and texture that can be enhanced by the way the meat is prepared and cooked. Regardless of which synonym you choose, tournedos and its synonyms are all sure to delight your taste buds and satisfy your appetite.