work with in a non-serious manner; "She dabbles in astronomy"; "He plays around with investments bu he never makes any money"
If you play around with a problem or an arrangement of objects, you try different ways of organizing it in order to find the best solution or arrangement. I can play around with the pictures to make them more eye-catching
{f} cheat on one's spouse or girl friend/boy friend, commit adultery; work with in a non-serious manner
If you play around, you behave in a silly way to amuse yourself or other people. Stop playing around and eat! Had he taken the keys and played around with her car?