| Idiom | Meaning | Example | 
| on the market | 
ready to sell, for sale, up for sale
 | 
Yes, our house is on the market. We want to sell it by October 1.
 | 
| on the mend | 
healing, becoming healthy again
 | 
Jake's had open-heart surgery, but he's on the mend.
 | 
| on the money | 
correct, accurate, on the mark, spot on
 | 
Your answer is on the money. You win a new Honda!
 | 
| on the move | 
moving, going from place to place
 | 
The caribou are on the move again, migrating to find food.
 | 
| on the outs | 
not friendly,  not speaking
 | 
Amy and Pat are on the outs. They had a fight.
 | 
| on the QT | 
as a secret, not to be told to anyone
 | 
I'm telling you this on the QT. Please don't tell anyone.
 | 
| on the rails | 
operating smoothly, on track
 | 
Troy helped me get back on  the rails when I was depressed.
 | 
| on the rise | 
increasing, growing
 | 
The number of female engineers is on the rise - more every year.
 | 
| on the road | 
going toward, improving, on the mend
 | 
Jill is feeling much better today. She's on the road to recovery.
 | 
| on the run | 
very busy, having much to do, on the go
 | 
I've been on the run since early this morning. What a busy day!
 |