Not on time
So as to fall behind schedule
The part of one's back on which one rests in sitting
To the rear in space
Late in time
Slow in progress
The boy got up at once, and sat behind the king.
He peered behind her.
I took the shortest way through the little park behind the palace.
But the brightest summer has winter behind it.
With that behind her, she turned to another subject - one equally disturbing.