| Uncredited authors, for short | 29 |
| Uncreative learning method | 26 |
| Uncreative education method | 27 |
| Uncovered, in military jargon | 29 |
| Uncover, with "out" | 29 |
| Uncover, as wrongdoing | 22 |
| Uncover, as information | 23 |
| Uncoventional sibilations | 25 |
| Uncouth '70s punk band? | 27 |
| Uncorrected, in a text | 22 |
| Uncorked, as champagne | 22 |
| Uncoordinated flag-bearers | 26 |
| Uncooperative contraction | 25 |
| Uncooperative chipmunk | 22 |
| Uncool Unwritten Law song? | 26 |
| Uncool "Cool!" | 24 |
| Unconvincing, as an excuse | 26 |
| Unconvincing, as an argument | 28 |
| Unconvincing, as an alibi | 25 |
| Unconvincing façade | 22 |
| Unconvincing concurrence | 24 |
| Unconvincing "yes" | 28 |
| Unconventionally provocative | 28 |
| Unconventional physician | 24 |
| Unconventional behavior | 23 |
| Unconventional and then some | 28 |
| Uncontrolled way to run | 23 |
| Uncontrolled gatherings | 23 |
| Uncontrolled excitement | 23 |
| Uncontrolled contraction | 24 |
| Uncontrolled city growth | 24 |
| Uncontrollable situation | 24 |
| Uncontrollable movements | 24 |
| Uncontrollable movement | 23 |
| Uncontrollable motions | 22 |
| Uncontrollable emotion | 22 |
| Uncontrived illustrations | 25 |
| Uncontrived illustration | 24 |
| Unconstrained in movement | 25 |
| Unconscious idiosyncrasies | 26 |
| Unconscionably high interest | 28 |
| Unconquerable obstacle | 22 |
| Unconfirmed bit of news | 23 |
| Unconditional; unending | 23 |
| Unconcerned with scruples | 25 |
| Unconcerned with ethics | 23 |
| Unconcerned with consequences | 29 |
| Uncompromising virtuoso | 23 |
| Uncompromising position | 23 |
| Uncompressed audio format | 25 |
| Uncompressed audio file | 23 |
| Uncomprehending response | 24 |
| Uncomplimentary sounds | 22 |
| Uncomplimentary reviews | 23 |
| Uncomplimentary review | 22 |
| Uncomplimentary remark | 22 |
| Uncomplicated transactions | 26 |
| Uncomplicated enjoyment | 23 |
| Uncomplicate to a fault | 23 |
| Uncompleted Beach Boys album | 28 |
| Uncommon, as a Latin bird? | 26 |
| Uncommon writing of late | 24 |
| Uncommon things in language | 27 |
| Uncommon Scrabble result | 24 |
| Uncommon elevator button | 24 |
| Uncommon blood type: Abbr. | 26 |
| Uncommon blood type, briefly | 28 |
| Uncommon blood designation | 26 |
| Uncommercial periodicals | 24 |
| Uncomfortably tight wrapper? | 28 |
| Uncomfortable, in a way | 23 |
| Uncomfortable, as a mattress | 28 |
| Uncomfortable summer period | 27 |
| Uncomfortable situation | 23 |
| Uncomfortable premiere wear | 27 |
| Uncomfortable position | 22 |
| Uncomfortable places to be | 26 |
| Uncomfortable place to be in | 28 |
| Uncomfortable place to be | 25 |
| Uncomfortable neckwear | 22 |
| Uncomfortable humidity | 22 |
| Uncomfortable garment? | 22 |
| Uncomfortable feelings | 22 |
| Uncomfortable bit of jewelry? | 29 |
| Uncomely citrus fruit? | 22 |
| Uncolored part of the eye | 25 |
| Uncloses, to Shakespeare | 24 |
| Unclose, to Shakespeare | 23 |
| Unclose is one for counsel | 26 |
| Uncles and nephews, e.g. | 24 |
| Unclear, as the future | 22 |
| Unclean, like non-kosher food | 29 |
| Unclean, by Jewish law | 22 |
| Uncle, south of the border | 26 |
| Uncle's sweetheart | 22 |
| Uncle's heir, perhaps | 25 |
| Uncle's equivalent? | 23 |
| Uncle's counterpart | 23 |
| Uncle's better half | 23 |
| Uncle ___ of the Gumps | 22 |