| Unnamed competitor, in ads | 26 |
| Unnamed commercial product | 26 |
| Unnamed author (abbr.) | 22 |
| Unmoving machine parts | 22 |
| Unmixed, to a mixologist | 24 |
| Unmitigated military leader? | 28 |
| Unmerciful Athenian lawgiver | 28 |
| Unmemorable low-budget film | 27 |
| Unmarried woman, in Oaxaca | 26 |
| Unmarried woman's title | 27 |
| Unmarried lady, in Mex. | 23 |
| Unmanned military craft | 23 |
| UNLV basketball coach Kruger | 28 |
| Unlucky time for Caesar | 23 |
| Unlucky one's question | 26 |
| Unlucky one's query | 23 |
| Unlucky number, to Caesar? | 26 |
| Unlucky number on a match | 25 |
| Unlucky number for Caesar? | 26 |
| Unlucky number for Augustus? | 28 |
| Unlucky light-up combo? | 23 |
| Unlucky investor's loss | 27 |
| Unlucky gambler's output | 28 |
| Unlucky gambler's note | 26 |
| Unlucky catch, in cartoons | 26 |
| Unlucky British folksinger? | 27 |
| Unlucky board-game square | 25 |
| Unlucky board game square | 25 |
| Unlucky accidents, old-style | 28 |
| Unlucky "numerus" | 27 |
| Unlocked, as a computer file | 28 |
| Unlock, to Shakespeare | 22 |
| Unlock Pandora's box | 24 |
| Unloaded truck's weight | 27 |
| Unload, with "off" | 28 |
| Unload, pitch tents, etc. | 25 |
| Unload, on Wall Street | 22 |
| Unload unceremoniously | 22 |
| Unlikely yarmulke wearer | 24 |
| Unlikely winners defy them | 26 |
| Unlikely whistle-blower | 23 |
| Unlikely way to land a buyer | 28 |
| Unlikely valentine swappers | 27 |
| Unlikely trait for a musician | 29 |
| Unlikely track winners | 22 |
| Unlikely to take the lead | 25 |
| Unlikely to rock the boat | 25 |
| Unlikely to reconsider | 22 |
| Unlikely to raise a ruckus | 26 |
| Unlikely to make waves | 22 |
| Unlikely to make the band | 25 |
| Unlikely to impress, maybe | 26 |
| Unlikely to hit the ceiling | 27 |
| Unlikely to go on a spree | 25 |
| Unlikely to get suckered | 24 |
| Unlikely to get excited | 23 |
| Unlikely to form compounds | 26 |
| Unlikely to exert oneself | 25 |
| Unlikely to disappoint | 22 |
| Unlikely to crack a smile | 25 |
| Unlikely to come unglued | 24 |
| Unlikely to change...ever | 25 |
| Unlikely to catch the eye | 25 |
| Unlikely to break the ice | 25 |
| Unlikely to be talked out of | 28 |
| Unlikely to be pressed | 22 |
| Unlikely to be Miss America | 27 |
| Unlikely to be judgmental | 25 |
| Unlikely to be committed | 24 |
| Unlikely to be caught, say | 26 |
| Unlikely to be affected | 23 |
| Unlikely steakhouse patron | 26 |
| Unlikely state of a state? | 26 |
| Unlikely stakes race winner | 27 |
| Unlikely source of wealth | 25 |
| Unlikely sighting on Everest | 28 |
| Unlikely Scottish sight | 23 |
| Unlikely quiz bowl winner | 25 |
| Unlikely prom king candidate | 28 |
| Unlikely prom date for a goth | 29 |
| Unlikely place to find a star | 29 |
| Unlikely place for a soprano | 28 |
| Unlikely pageant winners | 24 |
| Unlikely pageant winner | 23 |
| Unlikely Oscar nominees | 23 |
| Unlikely Oscar nominee | 22 |
| Unlikely odds-on favorites | 26 |
| Unlikely nickname in the NBA | 28 |
| Unlikely Mensa candidate | 24 |
| Unlikely mate for a princess | 28 |
| Unlikely marching-band member | 29 |
| Unlikely lint-gatherer | 22 |
| Unlikely homecoming king | 24 |
| Unlikely Hollywood rift | 23 |
| Unlikely haystack find | 22 |
| Unlikely find in a haystack | 27 |
| Unlikely feud among landlords | 29 |
| Unlikely event for puritans | 27 |
| Unlikely dog show winners | 25 |
| Unlikely dog show winner | 24 |