absent‑minded

the absent-minded professor forgot his briefcase on the bus.

she stared out the window with an absent-minded look on her face.

he gave an absent-minded nod while reading his book.

i made an absent-minded mistake because i was tired.

the writer walked around the room in an absent-minded manner.

he pushed his glasses up with an absent-minded gesture.

she hummed a tune in an absent-minded way while washing dishes.

the old man smiled an absent-minded smile at the children playing.

his absent-minded stare made her wonder if he was listening.

she gave an absent-minded reply, focused entirely on the screen.

he scratched his head with an absent-minded air.

it was just an absent-minded error, nothing serious.