| Unpleasantly damp and chilly | 28 |
| Unpleasantly difficult | 22 |
| Unpleasantly moist and humid | 28 |
| Unpleasantly surprised | 22 |
| Unpleasantness for the nose | 27 |
| Unploughed ridges, in Britain | 29 |
| Unpolished knight wear? | 23 |
| Unpopped popcorn pieces | 23 |
| Unpopular 1773 legislation | 26 |
| Unpopular April letters | 23 |
| Unpopular facial spots | 22 |
| Unpopular org. in April | 23 |
| Unpopular spots for teenagers | 29 |
| Unpopular teenage spots | 23 |
| Unpredictable currents | 22 |
| Unpredictable determinant | 25 |
| Unpredictable influence | 23 |
| Unpredictable occurrences | 25 |
| Unpredictable phenomenon | 24 |
| Unprepared for shopping? | 24 |
| Unprepossessing females | 23 |
| Unprestigious publication | 25 |
| Unpretentious in nature | 23 |
| Unpretentious instrument | 24 |
| Unpretentious, in Paris | 23 |
| Unpretentious, in the South | 27 |
| Unprincipled operation? | 23 |
| Unprincipled politicians | 24 |
| Unprocessed information | 23 |
| Unproductive commotion | 22 |
| Unproductive exercises | 22 |
| Unprofessional film quality | 27 |
| Unprofessional, slangily | 24 |
| Unprofitable, as a situation | 28 |
| Unpromising, as a chance | 24 |
| Unprotected chess piece | 23 |
| Unprotected from the sun | 24 |
| Unproven ability, for short | 27 |
| Unproven skill, briefly | 23 |
| Unpublished literary works | 26 |
| Unpublished literature | 22 |
| Unpublished O.J. Simpson book | 29 |
| Unqualified for, as a task | 26 |
| Unquestionably correct | 22 |
| Unquestioned #1 status | 22 |
| Unquestioning adherents | 23 |
| Unquestioning devotion | 22 |
| Unquestioning followers | 23 |
| Unquestioning, as faith | 23 |
| Unratified proposal, briefly | 28 |
| Unravel, as rope fiber | 22 |
| Unravel, nautical style | 23 |
| Unread messages, usually | 24 |
| Unreadable without a key | 24 |
| Unreadable Word doc, e.g. | 25 |
| Unready, in NASA-speak | 22 |
| Unrealistic aspiration | 22 |
| Unrealistic expectation | 23 |
| Unrealistically positive | 24 |
| Unreasonable inclination | 24 |
| Unreasonable, pricewise | 23 |
| Unreasonably suspicious | 23 |
| Unrefined toxic assets? | 23 |
| Unrelenting ethical courage? | 28 |
| UNRELIABLE RELATIONSHIP | 23 |
| Unreliable source, often | 24 |
| Unreliable whist players? | 25 |
| Unreliable witness, e.g. | 24 |
| Unreliable, as a business | 25 |
| Unremarkable either way | 23 |
| Unremarkable get-together? | 26 |
| Unrepeated event, in England | 28 |
| Unrepeated event, in Essex | 26 |
| Unrepentant individual | 22 |
| Unrequited lover of legend | 26 |
| Unrequited relationship | 23 |
| Unreservedly approvable | 23 |
| Unresolved plotline, slangily | 29 |
| Unrespected Dangerfield | 23 |
| Unresponsive condition | 22 |
| Unrestrained indulgence | 23 |
| Unrestrained musical genre | 26 |
| Unrestrained revelries | 22 |
| Unrestrained sentimentality | 27 |
| Unrestrained way to run | 23 |
| Unrestrained, as a ship | 23 |
| Unrestricted authority | 22 |
| Unrestricted opportunity | 24 |
| Unrestricted trading areas | 26 |
| Unrestricted, as a discussion | 29 |
| Unrestricted, as mutual funds | 29 |
| Unrestricted; despotic | 22 |
| Unreturnable volleyball shot | 28 |
| Unreturnable, in a way | 22 |
| Unreturned tennis scores | 24 |
| Unreturned tennis serves | 24 |
| Unreturned tennis shot | 22 |
| Unrevealed, as feelings | 23 |
| Unrevealed, like thoughts | 25 |
| Unrewarding work, in slang | 26 |