Expresses a non-committal or uncertain attitude toward a decision or idea. She was toying with the idea of starting her own business.
Pro Tip 2/3
Not Serious
Indicates thinking about something in a light, non-serious manner, not definite. He's toying with the thought of traveling, but he hasn't made any plans.
Pro Tip 3/3
Possibility Exploration
Used for considering different possibilities without a strong intention to act. They're toying with the possibility of moving abroad in a few years.