hobby
1 antonym for hobby — opposites grouped by meaning.
Noun — An activity someone does regularly for pleasure in their free time, not for work.
Antonyms
How to use hobby
The word patterns that sound natural to a native speaker.
Etymology
Shortened from "hobby-horse", originally meaning a small pony, which came to mean a toy riding-horse, and eventually a favorite pastime — the link being an activity that, like a toy horse, "goes nowhere".
Full origin of hobby →