Formal dresses, also known as evening gowns, are typically worn on important occasions like weddings, prom nights, and charity events. These dresses can be elegant, sophisticated, and timeless. Synonyms for formal dresses are rich and varied depending on their style and design. Some common alternative words for formal dresses include ball gowns, cocktail dresses, evening wear, black-tie dress, and gala attire. Other synonyms for formal dresses are high-end or luxury dresses that exude grace, class, and glamour. These dresses often come in delicate fabrics like silk, lace, or chiffon and feature intricate detailing like beading, embroidery, or sequins. When the dress code is formal, make sure to choose a dress that reflects your personality and style while keeping in mind the event's vibe, theme, and dress code.