| Unit system in physics | 22 |
| Unit that's larger than 19 trillion miles | 45 |
| Unit that's the reciprocal of an ohm | 40 |
| Unit tracked by the Nikkei Index | 32 |
| Unit under a master | 19 |
| Unit used in electromagnetism | 29 |
| Unit used in expressing salaries | 32 |
| Unit used in measuring wire diameters | 37 |
| Unit used regarding celery, since it requires more energy to eat it than it contains | 84 |
| Unit used to jokingly describe celery, since it requires more energy to eat it than it contains | 95 |
| Unit used to measure a city's area: abbr. | 45 |
| Unit whose name comes from the Greek word for "work" | 62 |
| Unit whose symbol is an omega | 29 |
| Unit with fees | 14 |
| Unit with six outs | 18 |
| Unit's core group | 21 |
| Unit, in Bonn | 13 |
| Unit-cost word | 14 |
| Unit-pricing unit | 17 |
| Unit-pricing word | 17 |
| Unit: Ger. | 10 |
| Unitalicized | 12 |
| Unitard accompanier, perhaps | 28 |
| Unitard material | 16 |
| Unitarians, e.g. | 16 |
| Unitas | 6 |
| Unitas led them | 15 |
| Unitas was one | 14 |
| Unitas' team | 16 |
| Unitas's team | 17 |
| Unitas, etc. | 12 |
| Unitas, for one | 15 |
| Unité politique | 18 |
| Unite | 5 |
| Unite (with) | 12 |
| Unite after a break, in a way | 29 |
| Unite again | 11 |
| Unite by treaty | 15 |
| Unite closely | 13 |
| Unite firmly | 12 |
| Unite for a cause | 17 |
| Unite formally | 14 |
| Unite in flight | 15 |
| Unite into a league | 19 |
| Unite metals | 12 |
| Unite on the run | 16 |
| Unite threads | 13 |
| Unite to fight | 14 |
| Unite to intimidate | 19 |
| Unite under fire? | 17 |
| Unite with heat | 15 |
| Unite, in a way | 15 |
| Unite, in Berlin | 16 |
| Unite, in France | 16 |
| United | 6 |
| United in a way | 16 |
| United (with ''up'') | 36 |
| United (with) | 13 |
| United -- College Fund | 22 |
| United Airlines affiliate | 25 |
| United Airlines hub | 19 |
| United and Allied, e.g. | 23 |
| United Arab Emirates member | 27 |
| United Arab Emirates' capital | 33 |
| United Arab Republic member, once | 33 |
| United Artists cofounder whose first feature-length film was "The Kid" in 1921 | 88 |
| United by treaty | 16 |
| United Center team | 18 |
| United charge | 13 |
| United Church of Christ college | 31 |
| United closely | 14 |
| United code-share partner | 25 |
| United competitor | 17 |
| United competitor: Abbr. | 24 |
| United entities before 1991: Abbr. | 34 |
| United expenses | 15 |
| United Farm Workers leader | 26 |
| United Feature Synd. partner | 28 |
| United firmly | 13 |
| United group | 12 |
| United hub | 10 |
| United hub on the West Coast, briefly | 37 |
| United in a cause | 17 |
| United in holy matrimony | 24 |
| United in matrimony | 19 |
| United in opinion: abbr. | 24 |
| United in purpose | 17 |
| United info. | 12 |
| United Kingdom | 14 |
| United Kingdom citizen | 22 |
| United Kingdom component | 24 |
| United Kingdom currency | 23 |
| United Kingdom flag | 19 |
| United Kingdom land | 19 |
| United Kingdom native | 21 |
| United Kingdom symbol | 21 |
| United Kingdom territory until 1957 | 35 |
| United Kingdom's Guy __ Night | 33 |
| United Kingdom, our # _____ trader | 34 |
| United Kingdom: Abbr. | 21 |