If someone moonlights, they have a second job in addition to their main job, often without informing their main employers or the tax office. an engineer who was moonlighting as a taxi driver Workers in state enterprises were permitted to moonlight
work a second job, usually after hours; "The law student is moonlighting as a taxi driver
Moonlight is the light that comes from the moon at night. They walked along the road in the moonlight We went to the temple of Atlantis and saw it by moonlight
the light of the moon; "moonlight is the smuggler's enemy"; "the moon was bright enough to read by" work a second job, usually after hours; "The law student is moonlighting as a taxi driver