| Untalented writer | 17 |
| Untalented artist | 17 |
| Untalented | 10 |
| Untainted by corruption | 23 |
| Untainted | 9 |
| Untagged? | 9 |
| Untagged, say | 13 |
| Untagged, in tag | 16 |
| Untagged, in a game | 19 |
| Untagged in tag | 15 |
| Untagged | 8 |
| Untackled players? | 18 |
| Unsystematic | 12 |
| Unsympathetic type | 18 |
| Unsympathetic Simon | 19 |
| Unsympathetic quality | 21 |
| Unsympathetic | 13 |
| Unsymmetrical: Abbr. | 20 |
| Unsymmetrical | 13 |
| Unswervingly committed | 22 |
| Unswerving: Var. | 16 |
| Unswerving in allegiance | 24 |
| Unswerving | 10 |
| Unsweetened stew? | 17 |
| Unsweetened | 11 |
| Unswayable | 10 |
| Unsustained, in music | 21 |
| Unsustainable but trendy fuel source | 36 |
| Unsuspecting sorts | 18 |
| Unsuspecting | 12 |
| Unsuspected factor | 18 |
| Unsurprisingly | 14 |
| Unsurprising outcome | 20 |
| Unsurprising | 12 |
| Unsurpassingly unoriginal | 25 |
| Unsurpassed, as in sports | 25 |
| Unsurpassed up to the present | 29 |
| Unsurpassed | 11 |
| Unsurpassable rating | 20 |
| Unsurpassable | 13 |
| Unsure one's question, perhaps | 34 |
| Unsure answer to "Where were the 2014 Winter Olympics held?"? | 71 |
| Unsure "Uh-uh" | 24 |
| Unsure | 6 |
| Unsupportive words | 18 |
| Unsupported, in a way | 21 |
| Unsupported statement | 21 |
| Unsupported assurance | 21 |
| Unsupported | 11 |
| Unsupervised | 12 |
| Unsung worker | 13 |
| Unsullied: Fr. | 14 |
| Unsullied | 9 |
| Unsuited to, as a job applicant | 31 |
| Unsuited | 8 |
| Unsuitably | 10 |
| Unsuitable for the squeamish, perhaps | 37 |
| Unsuitable for the kids | 23 |
| Unsuitable for surgery | 22 |
| Unsuitable for radio | 20 |
| Unsuitable for parades | 22 |
| Unsuitable for mixed company | 28 |
| Unsuitable for bluebloods, in England | 37 |
| Unsuitable | 10 |
| Unsuccessfully asks for a date | 30 |
| Unsuccessful, as batters | 24 |
| Unsuccessful, as a mission | 26 |
| Unsuccessful types | 18 |
| Unsuccessful trophy seeker | 26 |
| Unsuccessful show | 17 |
| Unsuccessful person | 19 |
| Unsuccessful performance | 24 |
| Unsuccessful people | 19 |
| Unsuccessful participant | 24 |
| Unsuccessful liquor buyers | 26 |
| Unsuccessful invader of India | 29 |
| Unsuccessful film | 17 |
| Unsuccessful dieter's job? | 30 |
| Unsuccessful contenders | 23 |
| Unsuccessful candidate in the 2004 primaries | 44 |
| Unsuccessful candidate for governor of Colorado in 2010 | 55 |
| Unsuccessful batter's intro? | 32 |
| Unsuccessful apartment hunter's feeling? | 44 |
| Unsuccessful 2020 Olympics contender | 36 |
| Unsuccessful 2008 Republican candidate for president | 52 |
| Unsuccessful 1980s Apple computer | 33 |
| Unsuccessful 1957 debut | 23 |
| Unsuccessful '80s gridiron org. | 35 |
| Unsuccessful '70s-'80s cause | 36 |
| Unsuccessful '50s Ford | 26 |
| Unsuccessful | 12 |
| Unsubtle public consumption disguise | 36 |
| Unsubtle jewelry | 16 |
| Unsubstantiated theories? | 25 |
| Unsubstantiated | 15 |
| Unsubstantial stuff | 19 |
| Unsubstantial ship? | 19 |
| Unsubstantial | 13 |
| Unsubscribes, with "out" | 34 |
| Unsubscribe | 11 |