| Unimportant stuff | 17 |
| Unimportant thing | 17 |
| Unimportant workers | 19 |
| Unimportant, as a remote small town | 35 |
| Unimportant, as a town | 22 |
| Unimposing | 10 |
| Unimpressed | 11 |
| Unimpressed by Aesop's fables? | 34 |
| Unimpressed person's comment | 32 |
| Unimpressive | 12 |
| Unimpressive brain size | 23 |
| Unimpressive rating | 19 |
| Unimpressive score | 18 |
| Unimpressive wage | 17 |
| Unimpressive, as an excuse | 26 |
| Unimprovable | 12 |
| Unimprovable place | 18 |
| Unimprovable situation | 22 |
| Unimproved | 10 |
| Uninclined to complain | 22 |
| Unincluded | 10 |
| Unindustrialized | 16 |
| Unindustrious | 13 |
| Uninebriated | 12 |
| Uninflected | 11 |
| Uninfluenced? | 13 |
| Uninformative answer? | 21 |
| Uninformed | 10 |
| Uninformed guess | 16 |
| Uninformed, like a bad juggler? | 31 |
| Uninhabited | 11 |
| Uninhabited land | 16 |
| Uninhabited land, sometimes | 27 |
| Uninhabited regions | 19 |
| Uninhabited tracts | 18 |
| Uninherited land | 16 |
| Uninhibited | 11 |
| Uninhibited frolic | 18 |
| Uninhibited party | 17 |
| Uninhibited shouts | 18 |
| Uninhibitedly energetic | 23 |
| Uninitiated | 11 |
| Uninitiated in | 14 |
| Uninitiated ones | 16 |
| Uninjured | 9 |
| Uninjured, after "in" | 31 |
| Uninspired | 10 |
| Uninspired adaptation | 21 |
| Uninspired book | 15 |
| Uninspired costar of Bob Hope? | 30 |
| Uninspired course | 17 |
| Uninspired excuse | 17 |
| Uninspired Father's Day gift | 32 |
| Uninspired learning method | 26 |
| Uninspired new version | 22 |
| Uninspired reactions | 20 |
| Uninspired restaurant order (with "the") | 50 |
| Uninspired restaurant order, with "the" | 49 |
| Uninspired teaching method | 26 |
| Uninspired version | 18 |
| Uninspiring | 11 |
| Uninspiring lecturers, e.g. | 27 |
| Uninspiring talk | 16 |
| Uninspiring, slangily | 21 |
| Unintellectual | 14 |
| Unintelligence | 14 |
| Unintelligent | 13 |
| Unintelligibility | 17 |
| Unintelligible | 14 |
| Unintelligible chatter | 22 |
| Unintelligible speech, informally | 33 |
| Unintelligible talking | 22 |
| Unintelligible writing to me | 28 |
| Unintended consequence | 22 |
| Unintended consequences | 23 |
| Unintended movement | 19 |
| Unintended radio broadcast silence | 34 |
| Unintended spot | 15 |
| Unintended upshot | 17 |
| Unintentional | 13 |
| Unintentional poker table signals | 33 |
| Unintentional revelation | 24 |
| Uninterested | 12 |
| Uninterested in right or wrong | 30 |
| Uninterested in working | 23 |
| Uninteresting | 13 |
| Uninteresting Arizona attraction? | 33 |
| Uninteresting chore? | 20 |
| Uninteresting hike? | 19 |
| Uninteresting New York waterway? | 32 |
| Uninteresting North Pacific area? | 33 |
| Uninteresting one | 17 |
| Uninteresting persons | 21 |
| Uninteresting progress report | 29 |
| Uninteresting secondhand garment? | 33 |
| Uninteresting South Dakota municipality? | 40 |
| Uninteresting structural support? | 33 |
| Uninteresting types | 19 |
| Uninteresting voice | 19 |
| Uninteresting, like a show | 26 |