She wore her shirt back to front.

The item I ordered is currently on back order.

Due to an accident, cars started to tail back on the highway.

They are ready to strike back against their opponents.

I decided to back out of the project at the last minute.

I cannot tolerate back-stabbing in any form.

It has been practiced as far back as the second century A.D.

I hope to hear back from them soon.

Their shoulders are strong no matter what stance they are in so they can throw back to the pitcher well.

Please stand back and give me some space.