| U.S. Navy submarine builder | 27 |
| Unstable subatomic particle | 27 |
| UN's activity, at times | 27 |
| Ultimate hope in Vientiane? | 27 |
| University founder Stanford | 27 |
| Unit of distance (not time) | 27 |
| Underwear for the unhinged? | 27 |
| Ukrainian city, to Russians | 27 |
| U.S. general and tennis ace | 27 |
| Unger's sloppy roommate | 27 |
| Ultra-reliable team members | 27 |
| U.S. Soc. of Sculptors site | 27 |
| U. S. author and playwright | 27 |
| Uncle Scrooge's surname | 27 |
| Unit of electrical capacity | 27 |
| U.K. counterespionage agcy. | 27 |
| Unfailingly friendly fellow | 27 |
| Underground hip-hop release | 27 |
| Unification Church follower | 27 |
| University Park, Texas team | 27 |
| Unaffected horse movements? | 27 |
| Universally donatable blood | 27 |
| Unwelcome bonus for editors | 27 |
| U.S. Olympic champion, 1956 | 27 |
| Unwelcome sight in the mail | 27 |
| Uncommon things in language | 27 |
| Under-the-sink installation | 27 |
| Using a certain abrasive on | 27 |
| Unit of quantum information | 27 |
| Urban problem of 1960's | 27 |
| Unit of angular measurement | 27 |
| U.S. doubles co-champ: 1976 | 27 |
| Underwater-torpedo inventor | 27 |
| Utters a preprandial prayer | 27 |
| Useful thing for dirty pans | 27 |
| Used a device for fastening | 27 |
| Units of distance for ships | 27 |
| Upper house member, briefly | 27 |
| Upper chamber member: Abbr. | 27 |
| Upper house of le Parlement | 27 |
| USS Enterprise device | 27 |
| Unlucky investor's loss | 27 |
| Unhippielike characteristic | 27 |
| Underwater lateral surface? | 27 |
| Unuttered 'Why me?' | 27 |
| Umbrella seller's song? | 27 |
| U.S. historian ___ Marshall | 27 |
| Used the banister, in a way | 27 |
| Used a firehouse pole, e.g. | 27 |
| Unwelcome roommate, perhaps | 27 |
| Unpleasant political tactic | 27 |
| U2 "White as ___" | 27 |
| Up the river, in an acronym | 27 |
| Underwater detection device | 27 |
| Underwater detection system | 27 |
| U.S./Canada's __ Canals | 27 |
| University of Oklahoma team | 27 |
| University of Paris edifice | 27 |
| Universal signal since 1908 | 27 |
| U.S. humane org. since 1866 | 27 |
| Urban planner's concern | 27 |
| Underwater escape mechanism | 27 |
| Univ. applicants, typically | 27 |
| Unwelcome sound to a driver | 27 |
| Ultrafast flyers, for short | 27 |
| Uniform requirements: Abbr. | 27 |
| Undercover police operation | 27 |
| Use a wooden spoon, perhaps | 27 |
| Use a teaspoon in tea, e.g. | 27 |
| Use an overhead compartment | 27 |
| Ump's call, in baseball | 27 |
| Uses one's influence on | 27 |
| U.S. priest-poet: 1845-1909 | 27 |
| Undealt portion of the deck | 27 |
| U.S. Chief Justice, 1936-65 | 27 |
| U.S. chief justice 1836-64 | 27 |
| Unloaded truck's weight | 27 |
| Ultralight backpacking item | 27 |
| U.S. critic-poet: 1899-1979 | 27 |
| Up in the air, on schedules | 27 |
| Unscheduled, so far (Abbr.) | 27 |
| Undecided, on a TV schedule | 27 |
| UNICEF good-will ambassador | 27 |
| Univ. of Maryland collegian | 27 |
| Units equal to 10,000 gauss | 27 |
| U ___, former U.N. official | 27 |
| Uris novel set in Palestine | 27 |
| Ultima ___ (farthest point) | 27 |
| Unwelcome windshield sights | 27 |
| Up to that time, poetically | 27 |
| Unknown Soldier's place | 27 |
| Unabridged dictionary, e.g. | 27 |
| Up ___ good (plotting evil) | 27 |
| Undecided, in an angsty way | 27 |
| Upscale electronics company | 27 |
| Used to one's advantage | 27 |
| Unrestrained sentimentality | 27 |
| U2 "One ___ Hill" | 27 |
| U.S.S. Enterprise counselor | 27 |
| Underground railroad leader | 27 |