| Unit of energy? |
15 |
| Usually single-stranded genetic molecule |
40 |
| Used the information desk |
25 |
| U.S. fort with very tight security |
34 |
| URANUS |
6 |
| Unusual ordinal |
15 |
| Unmanned flier |
14 |
| Used the water cooler |
21 |
| Useful, based on Haydn? |
23 |
| Ubiquitous arcade game message, or a hint to this puzzle's theme |
64 |
| Unit equal to three feet |
24 |
| U.S.N.A. students |
17 |
| US president, d.1994 |
20 |
| US gambling resort |
18 |
| Unpleasant sound in nature |
26 |
| USNA student, briefly |
21 |
| Up for __ |
9 |
| US president who killed a man in a duel more than 20 years before taking office: 2 wds. |
87 |
| Usually-abbreviated Latin phrase |
32 |
| University in Chicago or New Orleans |
36 |
| Unable to make a mess? |
22 |
| Ulcer (anag) |
12 |
| Utter without thinking |
22 |
| US 101 & 66 |
11 |
| Unstrained quality, to Portia |
29 |
| Uses a vacuum |
13 |
| Urban locking locale |
20 |
| U. S. dry group: Abbr. |
22 |
| Upside operator |
15 |
| Utah city named for a Biblical region |
37 |
| User interface |
14 |
| Under a ___" (Durante's clue to where the money is buried in "It's a Mad, Mad, Mad, Mad World") |
95 |
| Unwelcome visitor |
17 |
| U2 bassist Clayton |
18 |
| Unfit for young audiences |
25 |
| Utter confusion |
15 |
| Unreturnable serve |
18 |
| Upscale German car known by its initials |
40 |
| Unmolested |
10 |
| Use a key, perhaps |
18 |
| Use epees |
9 |
| Understand a joke |
17 |
| Unable to resist |
16 |
| Unfortunate occurrence |
22 |
| Upsize, for short |
17 |
| Uses a washer cycle |
19 |
| Use a word processor, maybe |
27 |
| U.S. pet protector |
18 |
| Ultraconservatives' opposition |
30 |
| Use room service |
16 |
| Unscientific human grouping |
27 |
| Use Windows 10 |
14 |
| Utter delight |
13 |
| Uses an old phone |
17 |
| Unveracious ones |
16 |
| University founder Yale |
23 |
| Unit spotted at a gym (in both ways) |
36 |
| Uniform features: Abbr. |
23 |
| Umpire's favorite dessert? |
26 |
| Untouchable T-man |
17 |
| Users of the HEART Pathway app |
30 |
| Uses Western Union |
18 |
| Usher's duet partner on "My Boo |
31 |
| Unit that replaced the ryo in 1871 |
34 |
| Used a hook, line and sinker |
28 |
| Uncle Sam costume piece |
23 |
| Univ. Web address ender |
23 |
| Unlicensed classroom temp? |
26 |
| U-turn from WSW, on a compass |
29 |
| Undercover wear? |
16 |
| User of mind tricks |
19 |
| Utah Beach locale |
17 |
| USPS alternative |
16 |
| Use a lariat |
12 |
| Use for display |
15 |
| Utopian feeling |
15 |
| Uses a powder puff |
18 |
| Unlucky "numerus |
16 |
| Unregistered user |
17 |
| Unpopular party gal |
19 |
| Uncle's special little girl |
27 |
| US state (with a beetle) |
24 |
| Unhook, say |
11 |
| Use for a bed |
13 |
| US spy organization: Abbr. |
26 |
| Undiscovered knack (first two + last two) |
41 |
| Unpopular, perhaps |
18 |
| Univ. website ender |
19 |
| Uriel and others |
16 |
| Unfair attacks |
14 |
| Units of currency in Denmark |
28 |
| Ugandan river |
13 |
| Uncle of rice fame |
18 |
| U.S. writer and lecturer |
24 |
| Unreturnable smash |
18 |
| Unknown John |
12 |
| Underworld of Greek myth |
24 |
| Unemploy temporarily |
20 |
| Unabbreviated |
13 |
| Unbroken" director Angelina |
27 |