An up-do is a popular hairstyle for both formal and informal events, but there are a variety of synonyms for this term. Some common options include a chignon, bun, top knot, or a French twist. These styles all involve pulling the hair up and away from the face to create an elegant or sophisticated look. However, there are also more casual options for an up-do, such as a messy bun or a half-up, half-down style. The versatility of an up-do means that there are endless possibilities for reinventing this classic look and choosing a synonym that fits your personal style.