Eventful describes a period of time when many significant or interesting things happen. An eventful day at school might include a surprise fire drill, an unexpected quiz, your best friend moving to a new lunch table, and finding out you made the basketball team. An eventful summer vacation could involve learning to swim, visiting three different states, and getting a new puppy.

The word emphasizes that the events were meaningful or noteworthy. Brushing your teeth five times in one day wouldn't make it eventful, but discovering a hidden room in your house, winning a science fair, and meeting your favorite author certainly would. What makes a period eventful is that important, interesting, or memorable things occurred, things worth talking about later.

History books often focus on the most eventful years, when major changes happened: wars began or ended, new countries formed, or important discoveries were made. Some people prefer quiet, uneventful lives with steady routines, while others seek adventure and eventful experiences. After an especially eventful week packed with activities and surprises, you might feel relieved when things finally calm down and return to normal.