| Text | Length |
| Unsuccessful 1957 debut | 23 |
| URL ending for colleges | 23 |
| Univ. Web address ender | 23 |
| Unusual shoebox marking | 23 |
| Underwater cave dweller | 23 |
| Uncertain interjections | 23 |
| Utility involving amps. | 23 |
| University founder Yale | 23 |
| U.K. monarch, for short | 23 |
| Utah's state animal | 23 |
| Urban trains, for short | 23 |
| Urban sights, for short | 23 |
| URL-accessed periodical | 23 |
| Unscheduled performance | 23 |
| Ultimately, in Montreal | 23 |
| U.S. conductor-composer | 23 |
| Understanding, of sorts | 23 |
| Understanding of a sort | 23 |
| Unbiased hirer, briefly | 23 |
| Unlikely beanery patron | 23 |
| Use the unsharpened end | 23 |
| Units of work or energy | 23 |
| Units in the cgs system | 23 |
| U.S.-Canada border lake | 23 |
| Upstate New York county | 23 |
| Ubiquitous puzzle birds | 23 |
| Upper-left keyboard key | 23 |
| Upper-left computer key | 23 |
| Ushers and flower girls | 23 |
| Uncanny gift, for short | 23 |
| Unproven skill, briefly | 23 |
| US Airways datum: Abbr. | 23 |
| Unnamed others, briefly | 23 |
| UFO drivers, ostensibly | 23 |
| Un-P.C. suffix, to many | 23 |
| University of Ore. site | 23 |
| U.S.S.R.'s location | 23 |
| U.K. band All About ___ | 23 |
| Unlike this clue number | 23 |
| Undergrad's bugbear | 23 |
| Upper-echelon employees | 23 |
| Ugly piece of furniture | 23 |
| United regulator: Abbr. | 23 |
| Unseen part of the moon | 23 |
| Unseen area of the moon | 23 |
| Using an office machine | 23 |
| U.S. medicine regulator | 23 |
| U.S. cosmetics overseer | 23 |
| Used an épée, say | 23 |
| Undomesticated, as cats | 23 |
| U.S. mortgage guarantor | 23 |
| User's designations | 23 |
| U.S.S. Enterprise, e.g. | 23 |
| Unseen circus performer | 23 |
| Unwelcome Asian visitor | 23 |
| Univ. "house" | 23 |
| United Nations division | 23 |
| Understands the problem | 23 |
| Unaccompanied part song | 23 |
| U.S. economic yardstick | 23 |
| Univ. transcript number | 23 |
| Univ. application datum | 23 |
| U.S. document publisher | 23 |
| Univ. senior's test | 23 |
| UEFA Euro 2004 champion | 23 |
| Unit of quantity: Abbr. | 23 |
| US territory since 1898 | 23 |
| Underworld of mythology | 23 |
| Unlikely pageant winner | 23 |
| Unlikely Oscar nominees | 23 |
| Uncle Sam costume piece | 23 |
| Unpleasant type of mail | 23 |
| Use one's intuition | 23 |
| Use a slip stitch, e.g. | 23 |
| Ushers in, with fanfare | 23 |
| Umbrette's relative | 23 |
| Up on the latest trends | 23 |
| Un-PC high school class | 23 |
| Unlikely Hollywood rift | 23 |
| Uncomfortable situation | 23 |
| Up-and-comers with egos | 23 |
| U.S. agency in the news | 23 |
| Uncontrolled excitement | 23 |
| Unfriendly way to reply | 23 |
| Unappreciative response | 23 |
| Unpleasant to the touch | 23 |
| Union member since 1890 | 23 |
| Unlucky time for Caesar | 23 |
| Under the weather, e.g. | 23 |
| Uncertain possibilities | 23 |
| Uncle's equivalent? | 23 |
| Unfavorable, as fortune | 23 |
| Unable to work, perhaps | 23 |
| U.N. workers' agcy. | 23 |
| UN advocate for workers | 23 |
| U.N. workers' group | 23 |
| U.N. workers' assn. | 23 |
| U.N. agency for workers | 23 |
| U. N. workers' org. | 23 |
| Unattainable aspiration | 23 |
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