| Text | Length |
| U2's frontman | 17 |
| U2's home | 13 |
| U2's main man | 17 |
| UAL competitor | 14 |
| UAL West Coast hub | 18 |
| UAL western hub | 15 |
| Uang or elater | 14 |
| UAR component | 13 |
| Ubangi feeder | 13 |
| Ubangi group | 12 |
| Ubangi people | 13 |
| Ubangi source | 13 |
| Ubangi tributary | 16 |
| Ubangi's outlet | 19 |
| Uber reservation | 16 |
| Uber-pretentious | 16 |
| uBid competitor | 15 |
| uBid.com competitor | 19 |
| uBid.com rival | 14 |
| Ubiquitous abbr. | 16 |
| Ubiquitous article | 18 |
| Ubiquitous auth. | 16 |
| Ubiquitous bean | 15 |
| Ubiquitous beverage | 19 |
| Ubiquitous biscuits | 19 |
| Ubiquitous bug | 14 |
| Ubiquitous cookie | 17 |
| Ubiquitous fastener | 19 |
| Ubiquitous G.I. | 15 |
| Ubiquitous insect | 17 |
| Ubiquitous ISP | 14 |
| Ubiquitous lock | 15 |
| Ubiquitous man | 14 |
| Ubiquitous ore | 14 |
| Ubiquitous PC | 13 |
| Ubiquitous pen | 14 |
| Ubiquitous plant | 16 |
| Ubiquitous player | 17 |
| Ubiquitous players | 18 |
| Ubiquitous pooch | 16 |
| Ubiquitous quartet | 18 |
| Ubiquitous RV parks | 19 |
| Ubiquitous snack | 16 |
| Ubiquitous songbird | 19 |
| Ubiquitous Stewart | 18 |
| Ubiquitous street | 17 |
| Ubiquitous veggie | 17 |
| Ubiquitous verb | 15 |
| UBS and ING, e.g. | 17 |
| UC Irvine athlete | 17 |
| UC Irvine mascot | 16 |
| UC part: Abbr. | 14 |
| UC school city | 14 |
| UCLA and USC | 12 |
| UCLA article | 12 |
| UCLA athlete | 12 |
| UCLA athletes | 13 |
| UCLA employee | 13 |
| UCLA offerings | 14 |
| UCLA or OSU, e.g. | 17 |
| UCLA or USC, e.g. | 17 |
| UCLA part: Abbr. | 16 |
| UCLA teammate | 13 |
| UCLA VIP, e.g. | 14 |
| UCLA, for one | 13 |
| UConn territory | 15 |
| UConn's setting | 19 |
| Udall sobriquet | 15 |
| Udder woman? | 12 |
| Udders, e.g. | 12 |
| Udon ___, Thai city | 19 |
| Uele or Ebro | 12 |
| Uey from NNE | 12 |
| Uey from SSW | 12 |
| Uey from WSW | 12 |
| Ufa's mountains | 19 |
| UFC fighting style | 18 |
| UFC win, often | 14 |
| Uffizi artist | 13 |
| Uffizi attraction | 17 |
| Uffizi collection | 17 |
| Uffizi contents | 15 |
| Uffizi display | 14 |
| Uffizi hangings | 15 |
| Uffizi marvels | 14 |
| Uffizi offering | 15 |
| Uffizi setting | 14 |
| Uffizi treasure | 15 |
| Uffizi works | 12 |
| UFO crew members | 16 |
| UFO crew, maybe | 15 |
| UFO feature, maybe | 18 |
| UFO Museum location | 19 |
| UFO navigators | 14 |
| UFO occupant | 12 |
| UFO occupants | 13 |
| UFO operator | 12 |
| UFO passenger | 13 |
| UFO passengers | 14 |
| UFO people, perhaps | 19 |
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