| Text | Length |
| Unlike a pro athlete | 20 |
| Unstable, in the lab | 20 |
| U.S. balloon pioneer | 20 |
| Unemploy temporarily | 20 |
| University professor | 20 |
| Using clear thinking | 20 |
| Underdog's diet? | 20 |
| Ukrainian city, once | 20 |
| Unreal quip (Part 1) | 20 |
| Units of conductance | 20 |
| Unimportant orbiter? | 20 |
| Unpleasant reminder? | 20 |
| Unlikely soap source | 20 |
| Ultimate nonbeliever | 20 |
| Up at night, as owls | 20 |
| Unlike nuclear waste | 20 |
| Unavailable, perhaps | 20 |
| U.S. ship transmuted | 20 |
| Universal donor type | 20 |
| Unit for My Son John | 20 |
| Upset a can of worms | 20 |
| Umenyiora of the NFL | 20 |
| U-shaped river bends | 20 |
| Unmitigated untruths | 20 |
| Upwardly mobile type | 20 |
| Undernourished sheep | 20 |
| Uttered shrill tones | 20 |
| Use delaying tactics | 20 |
| Undercover operation | 20 |
| Urban petty criminal | 20 |
| Ukrainian assemblies | 20 |
| Upgrades the kitchen | 20 |
| Upsized or downsized | 20 |
| Use Wikipedia, maybe | 20 |
| Update the inventory | 20 |
| Upgrade, as a shower | 20 |
| Unlawful acquisition | 20 |
| Union Pacific et al. | 20 |
| Upscale pouch store? | 20 |
| U.S. admiral of 1898 | 20 |
| Urban baseball field | 20 |
| Use steel wool, e.g. | 20 |
| Uses a Brillo pad on | 20 |
| Underwater apparatus | 20 |
| User of mails: Abbr. | 20 |
| Underwater herbivore | 20 |
| Underwater test site | 20 |
| Unpleasant or sordid | 20 |
| Usher to, as a table | 20 |
| Umbrella plant, e.g. | 20 |
| Unkempt and run-down | 20 |
| Usurper's action | 20 |
| Unload on Craigslist | 20 |
| U.S. treaty ratifier | 20 |
| Use the pony express | 20 |
| Upperclassman: Abbr. | 20 |
| Use one's needle | 20 |
| Use a Singer machine | 20 |
| Use a pattern, maybe | 20 |
| Underground passages | 20 |
| Under a parasol, say | 20 |
| Usurer's demise? | 20 |
| Use wool clippers on | 20 |
| Unthinking followers | 20 |
| Use a sun visor, say | 20 |
| U.S. marathon runner | 20 |
| Unscrupulous lawyers | 20 |
| Uses the dotted line | 20 |
| Underground facility | 20 |
| Usual line formation | 20 |
| Use a straw, perhaps | 20 |
| Use the waiting room | 20 |
| Unit of wound thread | 20 |
| Undercover activity? | 20 |
| Unheralded successes | 20 |
| Unexpected successes | 20 |
| Ugly winter forecast | 20 |
| Used a pole, perhaps | 20 |
| Unlikely, as chances | 20 |
| Uses a letter-opener | 20 |
| Uses a letter opener | 20 |
| Unappetizing serving | 20 |
| Urban-renewal target | 20 |
| Underhandedly clever | 20 |
| Umbrella substitute? | 20 |
| Unsportsmanlike look | 20 |
| Urban health problem | 20 |
| Unpleasant hangover? | 20 |
| Unhealthy urban haze | 20 |
| Unexpected obstacles | 20 |
| Unclogged, as a pipe | 20 |
| Upperclassmen: Abbr. | 20 |
| Underside of a plane | 20 |
| Unlike sand in water | 20 |
| U.S.-Ont. ___ Canals | 20 |
| U.S.-Canadian canals | 20 |
| U.S.-Can. ___ Canals | 20 |
| Unsportsmanlike sort | 20 |
| Urgent call for help | 20 |
| User's annoyance | 20 |
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