About-turns, reversals, U-turns, volte-faces and turnarounds are all synonyms for the term "about-faces." They are all used to describe a sudden change of direction, decision, or opinion. These words can be used to describe a change in a person's behavior or a change in a situation's outcome. An "about-face" is often thought of as a sudden change in direction - an unexpected shift in one's stance or position. Synonyms for "about-face" can help to add variation in writing or communication. They also help to convey the suddenness and swiftness of the change described.