| Back muscle, in brief | 21 |
| Back muscle, in gym lingo | 25 |
| Back muscle, in gym-speak | 25 |
| Back muscle, in the gym | 23 |
| Back muscle, to a bodybuilder | 29 |
| Back muscle, to Billy Blanks | 28 |
| Back muscle, to gym regulars | 28 |
| Back muscle, to weightlifters | 29 |
| Back muscles | 12 |
| Back muscles, briefly | 21 |
| Back muscles, for short | 23 |
| Back muscles, in gym lingo | 26 |
| Back muscles, in short | 22 |
| Back muscles, to a personal trainer | 35 |
| Back nine opener | 16 |
| Back nuisance | 13 |
| Back of a 45 record | 19 |
| Back of a boat | 14 |
| Back of a book | 14 |
| Back of a book, to old-timers | 29 |
| Back of a hit record | 20 |
| Back of a hit single | 20 |
| Back of a leaf | 14 |
| Back of a public house, maybe | 29 |
| Back of a record | 16 |
| Back of a ship | 14 |
| Back of a shoe | 14 |
| Back of a single | 16 |
| Back of a skiff | 15 |
| Back of a skipjack | 18 |
| Back of a soccer goal | 21 |
| Back of a stamp? | 16 |
| Back of an envelope | 19 |
| Back of front? | 14 |
| Back of the boat | 16 |
| Back of the book item | 21 |
| Back of the book? | 17 |
| Back of the bus | 15 |
| Back of the bus.? | 17 |
| Back of the car | 15 |
| Back of the foot | 16 |
| Back of the head | 16 |
| Back of the kitchen? | 20 |
| Back of the line | 16 |
| Back of the neck | 16 |
| Back of the pack | 16 |
| Back of the QE2 | 15 |
| Back of the shin | 16 |
| Back of the skull | 17 |
| Back of the thigh | 17 |
| Back off | 8 |
| Back off! | 9 |
| Back off, as with discipline | 28 |
| Back on "Planet Earth" | 32 |
| Back on a boat | 14 |
| Back on a brigantine | 20 |
| Back on a plane | 15 |
| Back on a ship | 14 |
| Back on board | 13 |
| Back on board? | 14 |
| Back on one's yacht? | 24 |
| Back on the boat | 16 |
| Back on the briny | 17 |
| Back on the high seas | 21 |
| Back on the high seas? | 22 |
| Back on the ocean | 17 |
| Back on the ocean? | 18 |
| Back on the ranch? | 18 |
| Back on the water | 17 |
| Back on the waves? | 18 |
| Back onboard | 12 |
| Back online | 11 |
| Back or blanket | 15 |
| Back or bucket | 14 |
| Back or bucket follower | 23 |
| Back or ear | 11 |
| Back or eye problem | 19 |
| Back or guy? | 12 |
| Back or head follower | 21 |
| Back or horn | 12 |
| Back or short follower | 22 |
| Back or sidestage, for example | 30 |
| Back or south: Comb. form | 25 |
| Back or whip follower | 21 |
| Back order? | 11 |
| Back out | 8 |
| Back out (on) | 13 |
| Back out of | 11 |
| Back out of a deal | 18 |
| Back out of: Colloq. | 20 |
| Back out on a promise | 21 |
| Back out? | 9 |
| Back pack? | 10 |
| Back pad | 8 |
| Back pain | 9 |
| Back pain sufferer's choice | 31 |
| Back part | 9 |
| Back part of a sock | 19 |
| Back part of an Israeli city | 28 |
| Back part often slipped | 23 |