Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Broadly, moonlighting is working for a business of the same niche while being a permanent employee of another.
Source: https://ummid.com/news/2023/april/07.04.2023/moonlighting-risk-to-brain-heart-doctors-warn.html
In regular times, moonlighting while serving in the military can be punishable by imprisonment.