| One signing with a landlord | 27 |
| One signing off | 15 |
| One signatory to Nafta | 22 |
| One sign of spring | 18 |
| One side's retort to "No, you don't!" | 55 |
| One side represented in Super Bowl I | 36 |
| One side of traffic | 19 |
| One side of the Urals (Abbr.) | 29 |
| One side of the Urals | 21 |
| One side of the Ural Mts. | 25 |
| One side of the Strait of Dardanelles | 37 |
| One side of the Snake River | 27 |
| One side of the Senate, informally | 34 |
| One side of the pH scale | 24 |
| One side of the Hoover Dam: Abbr. | 33 |
| One side of the GW Bridge | 25 |
| One side of the great "Swiss dish" debate | 51 |
| One side of the generation gap, often | 37 |
| One side of the Detroit River | 29 |
| One side of the debate? | 23 |
| One side of the Civil War | 25 |
| One side of the Bering Strait | 29 |
| One side of Manhattan | 21 |
| One side of life | 16 |
| One side of Hawaii | 18 |
| One side of an issue | 20 |
| One side of an exchange | 23 |
| One side of an argument | 23 |
| One side of an 1899-1902 war | 28 |
| One side of a vote | 18 |
| One side of a store sign | 24 |
| One side of a shutout | 21 |
| One side of a ship | 18 |
| One side of a scoreboard, generically | 37 |
| One side of a quad, maybe | 25 |
| One side of a political debate | 30 |
| One side of a longstanding ad battle | 36 |
| One side of a leaf? | 19 |
| One side of a leaf | 18 |
| One side of a hot-button social issue | 37 |
| One side of a great debate | 26 |
| One side of a football classic | 30 |
| One side of a famous sibling rivalry | 36 |
| One side of a famous NBC feud | 29 |
| One side of a dispute, often | 28 |
| One side of a die | 17 |
| One side of a development debate | 32 |
| One side of a defunct wall | 26 |
| One side of a debate | 20 |
| One side of a coin: Abbr. | 25 |
| One side of a bygone wall | 25 |
| One side of a book leaf | 23 |
| One side of a bilingual store sign | 34 |
| One side of a 1973 ruling | 25 |
| One side of "the pond" | 32 |
| One side in the Revolutionary War | 33 |
| One side in the Pro Bowl: Abbr. | 31 |
| One side in the Pastry War | 26 |
| One side in the Obamacare battle | 32 |
| One side in the Falklands War | 29 |
| One side in the cold war | 24 |
| One side in the Cod War | 23 |
| One side in the Civil War | 25 |
| One side in the Bay Bridge Series rivalry | 41 |
| One side in the Battle of Thermopylae | 37 |
| One side in the Battle of Marathon | 34 |
| One side in the Battle of Cold Harbor | 37 |
| One side in the 1973 Paris Peace Accords | 40 |
| One side in some chalk talks | 28 |
| One side in NFL negotiations | 28 |
| One side in N.F.L. negotiations | 31 |
| One side in Mideast talks | 25 |
| One side in labor negotiations | 30 |
| One side in eightball | 21 |
| One side in court | 17 |
| One side in contract negotiations | 33 |
| One side in college football's Iron Bowl | 44 |
| One side in checkers | 20 |
| One side in baseball negotiations | 33 |
| One side in an informal game | 28 |
| One side in an eternal battle | 29 |
| One side in an annual football game | 35 |
| One side in an age-old battle | 29 |
| One side in an 1899 war | 23 |
| One side in an 1862 battle | 26 |
| One side in a Supreme Court case brought on by a Carlin monologue broadcast | 75 |
| One side in a pickup basketball game | 36 |
| One side in a nine-square game | 30 |
| One side in a football chalk talk | 33 |
| One side in a famous family feud | 32 |
| One side in a debate | 20 |
| One side in a count-off | 23 |
| One side in a computer rivalry | 30 |
| One side in a close encounter | 29 |
| One side in a casual football game | 34 |
| One side in a bullfight | 23 |
| One side in a battle of the sexes | 33 |
| One side in a 19th-century war, with "the" | 52 |
| One side in a 1980s war | 23 |
| One side in a 1967 war | 22 |