| Unnerving | 9 |
| Unnerves | 8 |
| Unnerved | 8 |
| Unnerve | 7 |
| Unneeded member of an entourage | 31 |
| Unneeded extra amount | 21 |
| Unneeded command for chowhounds | 31 |
| Unneeded coins | 14 |
| Unneeded | 8 |
| Unnecessary worries | 19 |
| Unnecessary words cluttering wise sayings? | 42 |
| Unnecessary person, on a double date | 36 |
| Unnecessary person | 18 |
| Unnecessary part of a jacket? | 29 |
| Unnecessary part | 16 |
| Unnecessary hassle | 18 |
| Unnecessary hand-wringing, say | 30 |
| Unnecessary feature | 19 |
| Unnecessary extra | 17 |
| Unnecessary cost | 16 |
| Unnecessary business advice for a stripper? | 43 |
| Unnecessary | 11 |
| Unnecessarily severe | 20 |
| Unnecessarily extreme | 21 |
| Unnavigable river of Russia | 27 |
| Unnaturally up | 14 |
| Unnaturally platinum | 20 |
| Unnaturally pale | 16 |
| Unnaturally high voice | 22 |
| Unnaturally high | 16 |
| Unnaturally blonde, e.g. | 24 |
| Unnaturalized | 13 |
| Unnatural? | 10 |
| Unnatural; stiff | 16 |
| Unnatural-sounding | 18 |
| Unnatural, in a way | 19 |
| Unnatural, as hair color | 24 |
| Unnatural, as hair | 18 |
| Unnatural, as a shot | 20 |
| Unnatural, as a color | 21 |
| Unnatural quietness | 19 |
| Unnatural performance | 21 |
| Unnatural one? | 14 |
| Unnatural morning spread | 24 |
| Unnatural manner | 16 |
| Unnatural lies? | 15 |
| Unnatural high | 14 |
| Unnatural desire to eat chalk, ashes, etc. | 42 |
| Unnatural blondes, e.g. | 23 |
| Unnatural blonde, e.g. | 22 |
| Unnatural | 9 |
| Unnamed woman | 13 |
| Unnamed source of a secret, playfully | 37 |
| Unnamed source | 14 |
| Unnamed quantity | 16 |
| Unnamed person | 14 |
| Unnamed people or things | 24 |
| Unnamed people | 14 |
| Unnamed others: Abbr. | 21 |
| Unnamed others, briefly | 23 |
| Unnamed others | 14 |
| Unnamed ones, usually derisive | 30 |
| Unnamed ones | 12 |
| Unnamed one | 11 |
| Unnamed litigant | 16 |
| Unnamed individual | 18 |
| Unnamed guy | 11 |
| Unnamed fellow | 14 |
| Unnamed degrees | 15 |
| Unnamed degree | 14 |
| Unnamed culprits | 16 |
| Unnamed competitor, in ads | 26 |
| Unnamed commercial product | 26 |
| Unnamed author (abbr.) | 22 |
| Unnamed auth. | 13 |
| Unnamed alternative | 19 |
| Unnamed activist in the credits of "Milk"? | 52 |
| Unmusical, in a way | 19 |
| Unmusical one | 13 |
| Unmusical birdcall | 18 |
| Unmusical anatomy | 17 |
| Unmusical | 9 |
| Unmoving machine parts | 22 |
| Unmoving machine part | 21 |
| Unmoving | 8 |
| Unmoved one | 11 |
| Unmoved audience member, metonymically | 38 |
| Unmoved | 7 |
| Unmovable ones | 14 |
| Unmovable | 9 |
| Unmotivated | 11 |
| Unmopped? | 9 |
| Unmopped area? | 14 |
| Unmoored | 8 |
| Unmolested | 10 |
| Unmoist | 7 |
| Unmodified | 10 |
| Unmodernized | 12 |
| Unmodern | 8 |
| Unmixed, to a mixologist | 24 |