Definition
to impersonate a specific role or engage in an activity, typically as a form of play
The children are playing at being construction workers in the sandbox.
She played at being a famous singer at the party, much to everyone's delight.
They played at being superheroes in the park, competing with each other.
to pursue an activity for pleasure or curiosity, without serious intent or dedication
He is just playing at cooking and doesn't intend to take it seriously.
She is just playing at being an artist without considering herself one.
They are only playing at the sport for fun, with no intentions of going pro.