Soup and fish, also known as formal evening attire, can refer to a number of different terms that are used to describe the same style of dress. Common synonyms for this type of outfit include black tie, tuxedo, dress suit, formal wear, gown, evening dress, and dinner jacket. All of these terms are used to describe a style of clothing that is elegant, sophisticated, and designed for formal occasions. Whether you are attending a wedding, a gala event, or a special dinner party, soup and fish attire is always appropriate and stylish. So, when choosing your next formal outfit, remember to consider all of these synonyms and make the perfect choice for your personal style and taste.