| 100% | WEAREFREEATLAST | 15 | Famous closing words of the 49-Across speech |
| 50% | FREEATLAST | 10 | Final words of Martin Luther King Jr.'s "I Have a Dream" speech ... or a hint to the endings of 17-, 24-, 39- and 49-Across |
| 49% | ETTU | 4 | Famous last words of the ancient world |
| 47% | LINCOLNMEMORIAL | 15 | Site of the 50 Across speech |
| 46% | HAS | 3 | Third-to-last word of the "Star Trek" opening speech |
| 45% | ETTU | 4 | Words of disbelief found in the four longest Across entries |
| 45% | THREERS | 7 | Elementary education ... or feature of the last words punned upon in 17-, 29-, 49- and 66-Across |
| 44% | TRICKY | 6 | Word spelled phonetically by the starts of 1-, 20-, 27-, 36-, 49- and 56-Across |
| 43% | RITE | 4 | Word in the title of a famous Stravinsky piece |
| 43% | SUBTITLES | 9 | Wording laid across the foot of a foreign film |
| 42% | OTT | 3 | First of the 49-Across to hit 500 home runs |
| 42% | REWRITE | 7 | Change the wording of a book or speech |
| 42% | ALLISBRIGHT | 11 | Next words of the carol (see 42-across) |
| 42% | ALLISCALM | 9 | Next words of the carol (see 34-across) |
| 42% | HOLYNIGHT | 9 | Next words of the carol (see 17-across) |
| 42% | DES | 3 | First word of the capital of 15-Across |
| 42% | BACK | 4 | Third word of the title (see 29-Across) |
| 42% | GOT | 3 | Second word of the title (see 29-Across) |
| 42% | THATSALLFOLKS | 13 | Porky Pig's words, befitting the ends of 20-, 26-, 49- and 54-Across |
| 42% | BURRITOFILLINGS | 15 | What the last words of 17-, 23-, 36- and 49-Across might be |
| 41% | NOUNS | 5 | The 25 words on a Codenames board, by part of speech |
| 40% | RED | 3 | Color of the US 49-Across |
| 40% | KORAN | 5 | Word of the Prophet |
| 40% | OCLOCK | 6 | Word of the hour? |
| 40% | AFFIX | 5 | Add-on to the start or end of a word stem (as in 17-, 25-, 35-, 49- and 57-Across) |
| 40% | NOUN | 4 | Part of speech of the word "crossword" |
| 40% | IHAVEADREAM | 11 | Informal title of the famous speech delivered by Martin Luther King Jr. in 1963 (4 wds.) |
| 40% | JAMESMONROE | 11 | One of the first five 49-Acrosses |
| 40% | JOHNADAMS | 9 | One of the first five 49-Acrosses |
| 40% | THOMASJEFFERSON | 15 | One of the first five 49-Acrosses |