| Sword side | 10 |
| Suspenseful part of the seat | 28 |
| Surface boundary | 16 |
| Successful gambler's asset | 30 |
| Squeak past | 11 |
| Something bad to be on | 22 |
| Some live on it, with "the" | 37 |
| Slight lead in the polls | 24 |
| Slicing side | 12 |
| Skate-blade part | 16 |
| Skate surface | 13 |
| Site of abutment | 16 |
| Shaving-gel brand | 17 |
| Sharpness of a blade | 20 |
| Sharp side | 10 |
| Sharp part of a razor blade | 27 |
| Sharp border | 12 |
| Seat's most exciting part? | 30 |
| S.C. Johnson shaving gel | 24 |
| Rim ... or trim | 15 |
| Requisite sharpness | 19 |
| Razor's sharp part | 22 |
| Razor part | 10 |
| Ragged part | 11 |
| Racer's need | 16 |
| Proceed by moving sideways | 26 |
| Plain or deckle | 15 |
| Place for the tense | 19 |
| Place for a fringe | 18 |
| Part of a sword blade | 21 |
| Part of a box | 13 |
| One of twelve on a cube | 23 |
| One of a die's dozen | 24 |
| One of a cube's 12 | 22 |
| One of 30 on an icosahedron | 27 |
| On ___ (nervous) | 16 |
| On ___ (irritable) | 18 |
| Nervous, after "on" | 29 |
| Neaten, as a lawn | 17 |
| Move gingerly | 13 |
| Move by inches | 14 |
| Most likely place you'd find REASSESSES in a themeless crossword grid | 73 |
| Minor Threat "Straight ___" | 37 |
| Lyricist for Broadway’s disastrous “Spider-Man,” with “the” | 79 |
| Living on the ___ | 17 |
| Little advantage | 16 |
| Larry Mullen, Jr. bandmate | 26 |
| Kind of piece in a jigsaw puzzle | 32 |
| Keenness, as of appetite | 24 |
| Just squeeze by | 15 |
| Jittery people are on it | 24 |
| Jigsaw starting point | 21 |
| It's uncomfortable to be on it | 34 |
| It can be the difference between winning and losing | 51 |
| Intense quality | 15 |
| Innovative quality | 18 |
| Iconic U2 guitarist | 19 |
| Honed side | 10 |
| Helpful kind of piece for a jigsaw puzzle doer | 46 |
| Head start, maybe | 17 |
| Good thing to have when competing | 33 |
| Good thing to have in a competition | 35 |
| Gillette gel | 12 |
| Fringe or flange | 16 |
| Fisher's "Postcards From the _____" | 49 |
| Favorable margin | 16 |
| Favorable advantage | 19 |
| Faith No More "___ of the World" | 42 |
| Ecotone | 7 |
| Defeat, barely | 14 |
| David Howell Evans nickname | 27 |
| Cutting side | 12 |
| Cutting ___ | 11 |
| Competitive plus | 16 |
| Competitive ___ | 15 |
| Competitive __ | 14 |
| Chisel part | 11 |
| Business part of a blade | 24 |
| Bono bandmate, with "the" | 35 |
| Blade's sharpness | 21 |
| Blade's sharp side | 22 |
| Blade runner | 12 |
| Blade feature | 13 |
| Betting advantage | 17 |
| Better chance | 13 |
| Best, but barely | 16 |
| Best by a bit | 13 |
| Beat, but not badly | 19 |
| Beat, barely | 12 |
| Beat out barely | 15 |
| Barely nip | 10 |
| Barbasol rival | 14 |
| Ax feature | 10 |
| Add fringe to, e.g. | 19 |
| Ad in, e.g. | 11 |
| AC/DC "The Razor's ___" | 37 |
| AC/DC "Razor's ___" | 33 |
| 1988 Dick Francis thriller, with "The" | 48 |
| "The Razor's __": Maugham novel | 45 |
| "The City on the ___ of Forever" (classic "Star Trek" episode) | 82 |