Moonlighting is when someone has a second job in addition to their primary [main] job.
- Sarah works as a teacher during the day, but she also works as a waitress at night. This is an example of moonlighting.
- John is a lawyer, but he also works as a freelance writer in the evenings. This is another example of moonlighting.
Very Simple Definition:
Moonlighting is when someone works two jobs.
- Lisa works at a store in the morning and then cleans houses in the afternoon. This is moonlighting.
- Mike works as a mechanic during the day and delivers pizzas at night. This is another example of moonlighting.