| 100% | CANTBE | 6 | ''That's impossible!'' |
| 100% | NODICE | 6 | “Afraid that’s impossible” |
| 96% | NOCANDO | 7 | "Sorry, that's impossible!" |
| 94% | IPAD | 4 | Tablet that's impossible to swallow? |
| 92% | NOCANDO | 7 | "Sorry, that's impossible" (3 wds.) |
| 91% | CANTBE | 6 | "That's impossible!" |
| 91% | ITCOULDNTBE | 11 | "That's impossible!" |
| 91% | ITCOULDNTBE | 11 | “That’s impossible!” |
| 91% | NOWAY | 5 | "That's impossible!" |
| 91% | ICANT | 5 | "That's impossible!" |
| 90% | RELAYRACE | 9 | Something that's impossible to run by yourself |
| 90% | NOCANDO | 7 | "I'm afraid that's impossible" |
| 88% | SOY | 3 | Plant that's used to make Impossible Burgers |
| 86% | EASYA | 5 | Class that's practically impossible to fail: 2 wds. |
| 86% | NOCANDO | 7 | "I'm afraid that's impossible" (3 wds.) |
| 84% | TIE | 3 | Outcome that's been impossible in the NHL since 2005 |
| 83% | ICANNOT | 7 | "That's impossible for me" |
| 82% | OREO | 4 | Cookie that's nearly impossible to split equally, according to MIT |
| 80% | TURNTHETIDE | 11 | "___? That's impossible, unless you can control how waves move" |
| 77% | SNEEZE | 6 | Something that's impossible to do with one's eyes open, per an urban legend |
| 68% | INTOODEEP | 9 | So stuck that escape is impossible |
| 68% | PAMPERO | 7 | S American wind that blows across the plains |
| 67% | FOOLPROOF | 9 | So easy to do that it's impossible to go wrong |
| 67% | MALLOMARS | 9 | Nabisco cookies that resemble s'mores |
| 67% | PLURAL | 6 | Word that ends in S, often |
| 66% | NACHO | 5 | Cheesy, salsa-enhanced bit of snack food that it's almost impossible to have just one of |
| 66% | TWOOUT | 6 | Situation that makes a double play impossible |
| 66% | OGEE | 4 | S-shaped molding that sounds like a sighed phrase |
| 65% | FIFTY | 5 | Bill that Ulysses S. Grant appears on |
| 65% | TESLA | 5 | Carmaker that produces the electric Model S |