The phrase "new hobby" refers to an activity or interest that someone starts engaging in for fun or relaxation, which they have not done before. Full definition
Being active so that you're not alone with your thoughts is important, but finding new hobbies and activities you can enjoy on your own is also a good idea. (cyberdatingexpert.com)
At 22, I have no reason to apologize for changing my mind, finding new passions, gaining new skills and starting new hobbies. (lotsofsass.com)
They have extracurricular activities to help your son find his passion and learn new hobbies, including sports, art and more. (sundancecanyonacademy.com)