| Structure on The Strip | 22 |
| Structure opening? | 18 |
| Structure over a rotunda | 24 |
| Structure popularized by Buckminster Fuller | 43 |
| Structure preventing cattle from roaming | 40 |
| Structure starter? | 18 |
| Structure strengthening a ship | 30 |
| Structure that resembles a shell | 32 |
| Structure that resembles a shell in shape | 41 |
| Structure weakeners | 19 |
| Structure whose name might make kids giggle (3) | 47 |
| Structure with a keystone | 25 |
| Structure with a skybox | 23 |
| Structure with a spillway | 25 |
| Structure with cells | 20 |
| Structure with high-water marks | 31 |
| Structure with layers | 21 |
| Structure with locks | 20 |
| Structure with pegs and poles | 29 |
| Structure with smoke flaps | 26 |
| Structure with towers and parapets | 34 |
| Structure's ability to sustain defects | 42 |
| Structured procedure | 20 |
| Structures | 10 |
| Structures above altars | 23 |
| Structures at Albany, Trenton, etc. | 35 |
| Structures built in the winter | 30 |
| Structures in the Gulf of Mexico | 32 |
| Structures like the Washington Monument | 39 |
| Structures made mainly of glass | 31 |
| Structures near cell walls | 26 |
| Structures near Shubert Alley | 29 |
| Structures of a sort | 20 |
| Structures of the same origin | 29 |
| Structures on piles | 19 |
| Structures on sitars | 20 |
| Structures where air is blown at high velocities | 48 |
| Structures with cells | 21 |
| Structures with door flaps | 26 |
| Strudel base | 12 |
| Strudel component | 17 |
| Strudel fruit, sometimes | 24 |
| Strudel ingredient | 18 |
| Strudel kin | 11 |
| Strudel topping | 15 |
| Strudel ___ mode | 16 |
| Struggle | 8 |
| Struggle (for) | 14 |
| Struggle (through) | 18 |
| Struggle (through), as a tedious book | 37 |
| Struggle (with) | 15 |
| Struggle against | 16 |
| Struggle at the finish | 22 |
| Struggle clumsily | 17 |
| Struggle for a deadlock? | 24 |
| Struggle for air | 16 |
| Struggle for balance atop | 25 |
| Struggle for breath | 19 |
| Struggle for superiority | 24 |
| Struggle in ancient Greek drama | 31 |
| Struggle or contest | 19 |
| Struggle over a purse | 21 |
| Struggle painfully (over) | 25 |
| Struggle painfully (over), as a decision | 40 |
| Struggle to earn, with "out" | 38 |
| Struggle to finish | 18 |
| Struggle to get a seat | 22 |
| Struggle to hold | 16 |
| Struggle to make, with "out" | 38 |
| Struggle with | 13 |
| Struggle with one's silly sisters? | 38 |
| Struggle with one's sisters? | 32 |
| Struggle with sassafras? | 24 |
| Struggle with successfully | 26 |
| Struggle, figuratively | 22 |
| Struggled | 9 |
| Struggled along successfully | 28 |
| Struggled for air | 17 |
| Struggled in water | 18 |
| Struggled roughly | 17 |
| Struggled to breathe | 20 |
| Struggles | 9 |
| Struggles (over) | 16 |
| Struggles (through) | 19 |
| Struggles between the rich and poor | 35 |
| Struggles clumsily | 18 |
| Struggles for air | 17 |
| Struggles for balance | 21 |
| Struggles to breathe | 20 |
| Struggles to catch one's breath | 35 |
| Struggles to make | 17 |
| Struggles to make, with "out" | 39 |
| Struggles to open | 17 |
| Struggles to speak | 18 |
| Struggles with sibilants | 24 |
| Struggles with, as a critter | 28 |
| Struggles with, as a varmint | 28 |
| Struggles, as over a decision | 29 |
| Struggling | 10 |
| Struggling artists' places | 30 |