Learner's definition of DIVERSION
1 formal : the act of changing the direction or use of something : the act of diverting something
2 formal : something that people do because it is enjoyable, entertaining, or pleasant
Hiking is one of my favorite diversions.
Our town offers few diversions.
Sports provide him with a welcome diversion from the pressures of his job.
3 [count] : something that takes attention away from what is happening