When time goes by quickly, people often use the phrase "flies by" to describe it. However, there are many synonyms that can be used to convey the same meaning. Some of these words include "zooms," "rushes," "whizzes," "hurries," "speeds," "sweeps," and "dashes." These words describe the speedy passage of time and can be used in various contexts, such as when talking about the end of a vacation, the completion of a project, or the passing of a year. Using different synonyms can add flavor to your writing or speech and help you communicate your thoughts and feelings more effectively.