| 100% | BISECT | 6 | To cut into two equal parts |
| 99% | REND | 4 | To tear into two or more pieces |
| 94% | DIVIDE | 6 | To separate or section into parts |
| 94% | PEG | 3 | A square one doesn't fit into a round hole, according to sayings |
| 93% | BISECT | 6 | To cut in half, or to divide into two equal pieces |
| 92% | FUSION | 6 | The process of joining two or more things into one |
| 89% | NOD | 3 | Silent assent ... or, in two parts, a hint to three long answers |
| 88% | FILLING | 7 | Metal or plastic used to fix a hole in a tooth |
| 87% | NOTCH | 5 | V-shaped cut ... or, in two parts, a hint to four long puzzle answers |
| 85% | TRUSS | 5 | Wooden or metal framework |
| 85% | POLE | 4 | Wooden or metal post |
| 84% | PRISM | 5 | Light refractor, or, when broken into three parts, a hint to the theme answers |
| 84% | SPOUT | 5 | Teapot part ... or a two-word hint to 16-, 25-, 43- and 59-Across |
| 84% | ERR | 3 | Try to fit a square peg in a round hole, e.g. |
| 83% | ALTOGETHER | 10 | On the whole ... or, when read in two parts, what the answer to each starred clue has |
| 82% | BRANDED | 7 | Labeled ... or, divided into three parts, what surrounds the answers to starred clues |
| 82% | COMMA | 5 | English language punctuation that looks like , and is used to separate two parts of a sentence or two items on a list |
| 80% | BEDFRAME | 8 | Wooden or metal structure that holds a mattress |
| 80% | JETTIES | 7 | Wooden or stone walkways extending into the sea |
| 80% | TOPS | 4 | Thing or part placed on, fitted to, or covering the upper part of something (plural) |
| 79% | DOWNTHEMIDDLE | 13 | Into two equal parts |
| 78% | HYPHENATE | 9 | Add a dash to join two words |
| 78% | SEAL | 4 | Adhesive substance used to join two things |
| 78% | SOLDER | 6 | Join two pieces of metal |
| 78% | MERGE | 5 | Join two things into one |
| 78% | WELDS | 5 | Joins two metals using heat |
| 77% | ABANDON | 7 | Leave high and dry ... or, when divided into three parts, what the answers to starred clues are encompassed by |
| 77% | CRIBBAGE | 8 | Game of cards for two to four players using a board with pegs and holes for scoring |
| 77% | GRANDPA | 7 | Pop's pop ... or, divided into three parts, what the answers to starred clues have in common |
| 77% | RECRUITS | 8 | Takes into employment, persuades to join |