| 100% | STRUGGLEBUS | 11 | Transportation that's difficult to ride? |
| 57% | ELM | 3 | Wood that's difficult to split |
| 57% | URGE | 4 | Desire that's difficult to ignore |
| 57% | URGE | 4 | Impulse that's difficult to resist |
| 57% | ICE | 3 | Surface that's difficult to stop on |
| 56% | IMPACTED | 8 | Unerupted tooth that's difficult to remove |
| 56% | GNAT | 4 | Pesky bug that's difficult to swat |
| 55% | GLITTER | 7 | Crafts supply that's difficult to clean up |
| 54% | STEEP | 5 | Like a mountain that's difficult to ascend |
| 54% | STAINING | 8 | Leaving a mark that's difficult to remove |
| 54% | HEAVY | 5 | Like a bag that's difficult to lift |
| 52% | CONUNDRUM | 9 | A riddle or problem that's difficult to solve |
| 51% | HARDSEA | 7 | Body of water that's difficult to cross? (start of 18-Across) |
| 49% | ATV | 3 | Ride that's similar to a dune buggy: Abbr. |
| 46% | UNOBTANIUM | 10 | Fictional mineral that's very difficult to acquire in "Avatar" |
| 45% | BURDEN | 6 | Something that is difficult to bear |
| 45% | SST | 3 | Transportation that's booming? |
| 45% | ORGANS | 6 | Instruments that are difficult to donate, ironically |
| 44% | BUS | 3 | Vehicle that kids ride to school |
| 43% | BONY | 4 | Like fish that are difficult to eat |
| 43% | HOOKSHOTS | 9 | Basket attempts that are difficult to block |
| 43% | BIKES | 5 | Vehicles that are harder to ride uphill |
| 42% | ORALS | 5 | Exams that are difficult to take while suffering from laryngitis |
| 42% | INK | 3 | Blue stain that is difficult to wash out |
| 42% | BEAT | 4 | "With clues that are difficult to ___..." (2/5) |
| 42% | MURK | 4 | It's difficult to see through |
| 42% | EVILGENIUS | 10 | Enemy who's difficult to outsmart |
| 42% | CURRENT | 7 | It's difficult to go against |
| 41% | CYCLING | 7 | Transportation that's good for you and the planet |
| 40% | HOOKSHOTS | 9 | Basketball scoring attempts that are difficult to block |