unbidden

It all came back unbidden, she said, as she was playing with her own daughter.

Getting a Doan's Bundt cake from Cruise unbidden reinforces the recipient’s high-level social status.

Getting a Doan's Bundt cake from Cruise unbidden reinforces the recipient’s high-level social status.

Lyrical scraps would flash unbidden, like hallucinations, in the decades to follow.

And like Peter Falk’s immortal gumshoe, Elsbeth — who will insert herself unbidden into an investigation — asks a lot of questions, some merely out of curiosity.