| Uninhabited tracts | 18 |
| Uninhabited regions | 19 |
| Uninhabited land, sometimes | 27 |
| Uninhabited land | 16 |
| Uninhabited | 11 |
| Uninformed, like a bad juggler? | 31 |
| Uninformed guess | 16 |
| Uninformed | 10 |
| Uninformative answer? | 21 |
| Uninfluenced? | 13 |
| Uninflected | 11 |
| Uninebriated | 12 |
| Unindustrious | 13 |
| Unindustrialized | 16 |
| Unincluded | 10 |
| Uninclined to complain | 22 |
| Unimproved | 10 |
| Unimprovable situation | 22 |
| Unimprovable place | 18 |
| Unimprovable | 12 |
| Unimpressive, as an excuse | 26 |
| Unimpressive wage | 17 |
| Unimpressive score | 18 |
| Unimpressive rating | 19 |
| Unimpressive brain size | 23 |
| Unimpressive | 12 |
| Unimpressed person's comment | 32 |
| Unimpressed by Aesop's fables? | 34 |
| Unimpressed | 11 |
| Unimposing | 10 |
| Unimportant, as a town | 22 |
| Unimportant, as a remote small town | 35 |
| Unimportant workers | 19 |
| Unimportant thing | 17 |
| Unimportant stuff | 17 |
| Unimportant person | 18 |
| Unimportant part of a speech | 28 |
| Unimportant orbiter? | 20 |
| Unimportant member of a demolition crew? | 40 |
| Unimportant matters | 19 |
| Unimportant matter | 18 |
| Unimportant items | 17 |
| Unimportant facts | 17 |
| Unimportant details | 19 |
| Unimportant | 11 |
| Unimpeded progress | 18 |
| Unimpeded perspective | 21 |
| Unimpeded | 9 |
| Unimpeachable source | 20 |
| Unimpeachable information | 25 |
| Unimpeachable | 13 |
| Unimpassioned | 13 |
| Unimpaired | 10 |
| Unimak Island inhabitants | 25 |
| Unimagined | 10 |
| Unimaginative sequel, say | 25 |
| Unimaginative rhyme scheme | 26 |
| Unimaginative rejoinder | 23 |
| Unimaginative gift, maybe | 25 |
| Unimaginative | 13 |
| Unimaginably long time (Var.) | 29 |
| Unimaginably long time | 22 |
| Unimaginably long stretches | 27 |
| Unimaginable time period | 24 |
| Unilever? | 9 |
| Unilever's pasta sauce brand | 32 |
| Unilever's largest brand | 28 |
| Unilever swab | 13 |
| Unilever soap brand | 19 |
| Unilever skin cream brand | 25 |
| Unilever men's brand | 24 |
| Unilever laundry soap brand | 27 |
| Unilever item | 13 |
| Unilever hygiene product | 24 |
| Unilever detergent | 18 |
| Unilever deodorant brand | 24 |
| Unilever cold cream brand | 25 |
| Unilever brand aimed at young men | 33 |
| Unilever brand | 14 |
| Unilateral decision-makers | 26 |
| Unilateral | 10 |
| Unifying theme | 14 |
| Unifying principle | 18 |
| Unifying objective | 18 |
| Unifying ideas | 14 |
| Unifying idea | 13 |
| Unifying connection | 19 |
| Unifying concepts | 17 |
| Unifying concept | 16 |
| Unify | 5 |
| Uniforms that can be "throwbacks" | 43 |
| Uniforms | 8 |
| Uniformly | 9 |
| Uniformity | 10 |
| Uniformed youth | 15 |
| Uniformed units | 15 |
| Uniformed troops, for short | 27 |
| Uniformed ticket agent? | 23 |
| Uniformed student | 17 |
| Uniformed person giving signs | 29 |