| 100% | BARRIER | 7 | If something is supersonic it breaks the sound __ |
| 42% | CONCORDE | 8 | Supersonic plane, broke the sound barrier in 1969 |
| 41% | SONICBOOM | 9 | Explosion heard when the sound barrier is broken |
| 40% | SST | 3 | It's not breaking the sound barrier anymore |
| 40% | SEED | 4 | It might be the start of something big |
| 39% | INSTIGATE | 9 | Start something, be the one who makes it happen |
| 39% | INVERSE | 7 | The opposite sounds like it is written as a poem? |
| 39% | SYLLABLES | 9 | The units of sound that words are broken up into |
| 39% | LEASE | 5 | Break it and you may be out on the street |
| 38% | EGG | 3 | Something that has to be broken before it can be used |
| 38% | FLU | 3 | Bug that sounds like it was in the air? |
| 37% | ILSA | 4 | "Kiss me as if it were the last time" speaker |
| 37% | KISSME | 6 | "Casablanca" words repeated before "as if it were the last time" |
| 36% | PROSHOP | 7 | What might be in trouble if it's out of the woods? |
| 36% | MURPHYSLAW | 10 | "If something can go wrong, it will" |
| 36% | ESP | 3 | If you have it, you might know what this answer is without reading the clue |
| 36% | BARRIER | 7 | Breaking the Sound __, 1952 British film |
| 36% | STRAW | 5 | It broke the camel's back |
| 36% | PROVERBIALSTRAW | 15 | It broke the camel's back |
| 36% | EBAY | 4 | The first item ever sold on it was a broken laser pointer (for $14.83) |
| 36% | MEREST | 6 | "Even the ___ gesture is holy if it is filled with faith.": Franz Kafka |
| 36% | ILSA | 4 | Film character who says "Kiss me as if it were the last time" |
| 35% | PLENTIFUL | 9 | If something is "a dime a dozen" |
| 35% | HABIT | 5 | Something it might be good to break |
| 35% | ALPHABET | 8 | It breaks the "I before E" rule |
| 35% | GNU | 3 | Something found on the African plains that sounds like it's just out of the box |
| 35% | ILSA | 4 | Classic movie character who says "Kiss me as if it were the last time" |
| 35% | WIIPLAY | 7 | Nintendo party game (which sounds like it could be the opposite of 1-Across?) |
| 35% | YEAGER | 6 | He was the first to break the sound barrier, Chuck |
| 35% | VILE | 4 | Word that becomes its own synonym if the last letter is moved to the front |