| Unit in measuring population density | 36 |
| US agency that's got your number | 36 |
| U.S. four-dollar coin issued in 1879 | 36 |
| Unflinching in the face of pain, say | 36 |
| University of Connecticut's home | 36 |
| Unexpected piece in a chicken order? | 36 |
| Underlying principle of the universe | 36 |
| United (with ''up'') | 36 |
| Uncommonly late start to the workday | 36 |
| University in San Marcos [left hand] | 36 |
| U ___, '60s UN secretary general | 36 |
| Unlike folks on "Hoarders" | 36 |
| Ukulele player with a falsetto voice | 36 |
| Unlike the opera "Wozzeck" | 36 |
| Upstairs neighbor of Ralph and Alice | 36 |
| U.S. president who sired 15 children | 36 |
| Universal donor's classification | 36 |
| Unsanctioned workplace demonstration | 36 |
| Unholy combinations of circumstances | 36 |
| Ustedes, north of the Mexican border | 36 |
| Urban athlete's locale, in brief | 36 |
| University in Garden City, New York | 35 |
| Unconventional delivery of supplies | 35 |
| University city north of Des Moines | 35 |
| United __ Emirates (Mideast nation) | 35 |
| Unmanned sub that found the Titanic | 35 |
| Under the most favorable conditions | 35 |
| Units first theorized by the Greeks | 35 |
| Universal House of Justice religion | 35 |
| Universal Postal Union headquarters | 35 |
| Unwelcome concert event, to partier | 35 |
| Upper case, in printers' jargon | 35 |
| Used marked cards against Godzilla? | 35 |
| U.N. Secretary-General Hammarskjold | 35 |
| U.S. Vice President: 1845–49 | 35 |
| U.S. Vice President: 1925–29 | 35 |
| Used to sneak into 21-and-over show | 35 |
| Unmanned, unsettling military flier | 35 |
| U.A.W. treasurer's accumulation | 35 |
| United States Postal Service symbol | 35 |
| UN headquarters' Manhattan area | 35 |
| Urged (with ''on'') | 35 |
| Used frugally, with "out" | 35 |
| Util. unavailable during a blackout | 35 |
| Upper New York Bay's ___ Island | 35 |
| U.S. newcomer's course, perhaps | 35 |
| Uncle Tom rescues her from drowning | 35 |
| Ugly building in a pretty area, say | 35 |
| Unkind nickname for a corpulent man | 35 |
| Utah's Jake who went into space | 35 |
| U.S. Vice President: 1933–41 | 35 |
| Unreliable communication method (h) | 35 |
| U.S. city in sight of two volcanoes | 35 |
| U2 album "Rattle and ___" | 35 |
| U.S. and French Open winner Nastase | 35 |
| U.N. agency for workers' issues | 35 |
| U.N. agcy. promoting social justice | 35 |
| Unable to come about, as a sailboat | 35 |
| US Open champ between John and Mats | 35 |
| Unwelcome end, with "the" | 35 |
| University city in northern England | 35 |
| Unfortunate things to have to count | 35 |
| United Kingdom territory until 1957 | 35 |
| U.S. anthropologist: 1901–78 | 35 |
| Utah city near Arches National Park | 35 |
| Unlike the proverbial rolling stone | 35 |
| U.S. Library of Medicine maintainer | 35 |
| U.K. indie band ___ & the Whale | 35 |
| Used symbols, as in a musical score | 35 |
| Universal Human Rights Month: Abbr. | 35 |
| Unconventional merchandise quantity | 35 |
| Unwelcome people at nudist colonies | 35 |
| Union Pacific Railroad headquarters | 35 |
| Universal donor's type, briefly | 35 |
| Universal donor blood type, briefly | 35 |
| Utterances heard at fireworks shows | 35 |
| Unwelcome word from a brain surgeon | 35 |
| Unscheduled appointment book column | 35 |
| Used the expected number of strokes | 35 |
| Unit equivalent to 3.26 light years | 35 |
| Use one's index finger, perhaps | 35 |
| Unlikely attenders of R-rated films | 35 |
| Unadulterated Lightning Seeds song? | 35 |
| Updike's "Rabbit ___" | 35 |
| U.S. Secretary of State (1961-1969) | 35 |
| Upside-down lowercase "e" | 35 |
| Un ____ in Maschera : Verdi | 35 |
| Undisputed leader at drawing walks? | 35 |
| Usually-orange crash scene recovery | 35 |
| Up-tempo instrumental style of jazz | 35 |
| University town with ZIP code 57006 | 35 |
| Utah's ___ Canyon National Park | 35 |
| Union ___ (Dow Chemical subsidiary) | 35 |
| U.S. Mint employees' newspaper? | 35 |
| Unhelpful spelling clarification #1 | 35 |
| Uses an air pressure gauge, perhaps | 35 |
| Unisex fragrance introduced in 1996 | 35 |
| Unpleasant, paved-over urban spaces | 35 |
| Uncomfortable airline inconvenience | 35 |
| Unlikely to develop clothing lines? | 35 |