| Unseen circus performer | 23 |
| Unseen bit of flirting? | 23 |
| Unseen area of the moon | 23 |
| Unseen for the trees? | 22 |
| Unseal, to Shakespeare | 22 |
| Unscrupulous, as a fighter | 26 |
| Unscrupulous, as a business | 27 |
| Unscrupulous recruitment | 24 |
| Unscrupulous realty agent | 25 |
| Unscrupulous operator? | 22 |
| Unscrupulous one, perhaps | 25 |
| Unscripted theater, briefly | 27 |
| Unscripted comedy, for short | 28 |
| Unscramble a cryptogram | 23 |
| Unscientific procedure | 22 |
| Unscientific human grouping | 27 |
| Unschooled, as an artist | 24 |
| Unscholarly contraction | 23 |
| Unscheduled, so far (Abbr.) | 27 |
| Unscheduled performance | 23 |
| Unsavory-sounding Cajun side | 28 |
| Unsavory pair of options | 24 |
| Unsavory MTV cartoon duo | 24 |
| Unsaturated hydrocarbon | 23 |
| Unsatisfying, as a victory | 26 |
| Unsatisfying game result | 24 |
| Unsatisfying boxing result | 26 |
| Unsatisfactory, as excuses | 26 |
| Unsatisfactory, as an excuse | 28 |
| Unsatisfactorily small | 22 |
| Unsanctioned news sources | 25 |
| Unsaid, but understood | 22 |
| Unruly one, in Scotland | 23 |
| Unruly crowd participants | 25 |
| Unruffled, per Gelett Burgess | 29 |
| Unruffled one's nickname | 28 |
| Unruffle one's feathers | 27 |
| Unrewarding work, in slang | 26 |
| Unrevealed, like thoughts | 25 |
| Unrevealed, as feelings | 23 |
| Unreturned tennis shot | 22 |
| Unreturned tennis serves | 24 |
| Unreturned tennis scores | 24 |
| Unreturnable, in a way | 22 |
| Unreturnable volleyball shot | 28 |
| Unrestricted; despotic | 22 |
| Unrestricted, as mutual funds | 29 |
| Unrestricted, as a discussion | 29 |
| Unrestricted trading areas | 26 |
| Unrestricted opportunity | 24 |
| Unrestricted authority | 22 |
| Unrestrained, as a ship | 23 |
| Unrestrained way to run | 23 |
| Unrestrained sentimentality | 27 |
| Unrestrained revelries | 22 |
| Unrestrained musical genre | 26 |
| Unrestrained indulgence | 23 |
| Unresponsive condition | 22 |
| Unrespected Dangerfield | 23 |
| Unresolved plotline, slangily | 29 |
| Unreservedly approvable | 23 |
| Unrequited relationship | 23 |
| Unrequited lover of legend | 26 |
| Unrepentant individual | 22 |
| Unrepeated event, in Essex | 26 |
| Unrepeated event, in England | 28 |
| Unremarkable get-together? | 26 |
| Unremarkable either way | 23 |
| Unreliable, as a business | 25 |
| Unreliable witness, e.g. | 24 |
| Unreliable whist players? | 25 |
| Unreliable source, often | 24 |
| UNRELIABLE RELATIONSHIP | 23 |
| Unrelenting ethical courage? | 28 |
| Unrefined toxic assets? | 23 |
| Unreasonably suspicious | 23 |
| Unreasonable, pricewise | 23 |
| Unreasonable inclination | 24 |
| Unrealistically positive | 24 |
| Unrealistic expectation | 23 |
| Unrealistic aspiration | 22 |
| Unready, in NASA-speak | 22 |
| Unreadable Word doc, e.g. | 25 |
| Unreadable without a key | 24 |
| Unread messages, usually | 24 |
| Unravel, nautical style | 23 |
| Unravel, as rope fiber | 22 |
| Unratified proposal, briefly | 28 |
| Unquestioning, as faith | 23 |
| Unquestioning followers | 23 |
| Unquestioning devotion | 22 |
| Unquestioning adherents | 23 |
| Unquestioned #1 status | 22 |
| Unquestionably correct | 22 |
| Unqualified for, as a task | 26 |
| Unpublished O.J. Simpson book | 29 |
| Unpublished literature | 22 |
| Unpublished literary works | 26 |
| Unproven skill, briefly | 23 |
| Unproven ability, for short | 27 |