unbidden

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

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

“You fight hard, but at the end of the day you want to make sure you treat each other with respect,” said Hutchinson, who suggested Biden’s unbidden apology reflected “the good parts of American politics.”

"Those with the syndrome experience frequent unbidden intrusive memories of the traumatic event."

And later in the film, when a few girlfriends drop by, the rampant male nudity and unbidden groping starts to feel less like “goofing around” and more like criminal assault.