0 the act of working at an extra job, especially without telling your main employer: --
1 paid work that you do in addition to your normal job, especially without telling your employer: --
Could moonlighting be the way to set up a business during a recession?
Moonlighting could make a noticeable difference to your income and ultimately to your standard of living.
The city allows moonlighting, but employees first must get approval from a supervisor.