Similar words: be glad to see the back of, back off, back of, on the ball, on the basis of, pack off, for lack of, back out.
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1. Ill comes often on the back of worse. 
2. Those who foolishly seek power by riding on the back of the tiger and up inside.
3. Someone bashed him on the back of his head.
4. She wrote a few hurried lines to him on the back of an envelope.
5. His car was taken away on the back of a breakdown truck.
6. Send your answers on the back of a postcard.
7. He kissed her on the back of her head.
8. There's something written on the back of this book.
9. Write your name on the back of the cheque.
10. There is gum on the back of a stamp.
11. On the back of the letter was a diagram.
12. He jotted her name down on the back of an envelope.
13. The advertising agency secured the contract on the back of their previous successful campaigns.
14. We need a coat hook on the back of this door.
15. The credits are listed on the back of the album.
16. The hair on the back of my neck rose when I heard the scream.
17. He wrote a list on the back of an old envelope.
18. There was no return address on the back of the envelope.
19. I scribbled his phone number on the back of an envelope.
20. She snuffled and wiped her nose on the back of her hand.
20. Sentencedict.com is a online sentence dictionary, on which you can find nice sentences for a large number of words.
21. He has a tattoo on the back of his hand.
22. The profits growth came on the back of a 26 per cent rise in sales.
23. He took her for a wild ride on the back of his motorbike.
24. There was a biographical note about the author on the back of the book.
25. There was a neatly folded pink sweater on the back of the chair.
26. He felt a tickle on the back of his neck.
27. The company should be able to generate business on the back of existing contracts.
28. He rested his arms on the back of the chair.
29. They have carried on their business operations by riding on the back of established firms.
30. The prices were very roughly calculated - it looked as though he'd done them on the back of an envelope.
More similar words: be glad to see the back of, back off, back of, on the ball, on the basis of, pack off, for lack of, back out, back on, in the bargain, come back, go back on, give back, take back, in the nick of time, fall back on, bring home the bacon, horseback, drive back, jack of all trades, linebacker, bounce back, double back, date back to, hang in the balance, in the black, on the track, back to back, back-to-back, pick off.