| 100% | DETACH | 6 | Separate or disconnect |
| 53% | DIVIDE | 6 | To separate or section into parts |
| 53% | SEPARATE | 8 | Disconnect or divide something |
| 53% | PIECE | 5 | Separate bit or part |
| 53% | DETACHED | 8 | Disconnected or standing apart |
| 52% | SIFT | 4 | To separate or filter, using a sieve |
| 52% | SIFT | 4 | Separate, as flour or ashes |
| 51% | SPLIT | 5 | Divide or separate |
| 51% | CUTOFF | 6 | Sever or separate |
| 51% | CLEAVES | 7 | Adheres ... or separates |
| 50% | ISOLATED | 8 | Separated from other persons or things |
| 49% | APART | 5 | Separate ... or a hint to this puzzle's theme |
| 49% | CLAUSE | 6 | Separate article or stipulation in a contract |
| 47% | BORDERS | 7 | Ends or lines that separate countries |
| 47% | ENDASH | 6 | Mark separating page numbers or years |
| 46% | CLEAVE | 6 | Adhere or separate (it can mean either) |
| 46% | FRONTIER | 8 | Line or border that separates two countries |
| 45% | EXOGAMY | 7 | Marriage that links two separate groups or tribes |
| 44% | PARTED | 6 | Left, or word used to describe separated hair |
| 44% | AUBADE | 6 | Poem or song about lovers separating at dawn |
| 43% | COMPOUND | 8 | Word made up of two or more separate words |
| 43% | HOTPLATE | 8 | Top of a cooker or a separate cooking platform |
| 41% | UNCOUPLES | 9 | Disconnects … or what's found in the answers to the four starred clues? |
| 38% | EPERGNE | 7 | Large centrepiece for a table with separate bowls containing fruit, candles or flowers |
| 37% | PARTCOMPANY | 11 | Go their separate ways ... or a description of 17-, 24-, 35- or 47-Across? |
| 36% | ARTY | 4 | Pretentious, or phonetically the two letters that get separated in this puzzle's theme |
| 35% | ACROSSTHEPOND | 13 | In Britain, to Americans ... or a hint to what separates this puzzle's circled words |
| 34% | MISSINGLINK | 11 | What separates man from beast ... or a hint to 17-, 26-, 32-, 46-, and 51-Across? |
| 33% | UNLINK | 6 | Disconnect |
| 33% | UNTIE | 5 | Disconnect |