| Text | Length |
| Unionizes, in a way | 19 |
| Unwanted lawn plant | 19 |
| Unwanted vegetation | 19 |
| Uses a blowtorch on | 19 |
| Used the facilities | 19 |
| Use an eggbeater on | 19 |
| Unwanted possession | 19 |
| Unprized possession | 19 |
| Unauthorized strike | 19 |
| Uninhabited regions | 19 |
| Unexpected revenues | 19 |
| Unsubstantial ship? | 19 |
| Upholstery fastener | 19 |
| Used a certain well | 19 |
| U. of Michigan team | 19 |
| Unsteady, to a Brit | 19 |
| Uncomfortably stiff | 19 |
| Underwater speaker? | 19 |
| Ubiquitous songbird | 19 |
| Utility knife brand | 19 |
| Uncultivated person | 19 |
| University in Conn. | 19 |
| Unit of measurement | 19 |
| U.S.N. clerk: Abbr. | 19 |
| Uncritical employee | 19 |
| United Service org. | 19 |
| Unsophisticated guy | 19 |
| Uses a microwave on | 19 |
| USA, Can., or Mex. | 18 |
| UK sitcom, to fans | 18 |
| Up's companion | 18 |
| Use a pumice stone | 18 |
| Utterly ridiculous | 18 |
| U.S. dance company | 18 |
| Unfathomable chasm | 18 |
| Unfathomable depth | 18 |
| U. of Md. is in it | 18 |
| Unreturnable serve | 18 |
| Unbeatable service | 18 |
| Untouched delivery | 18 |
| Unreturnable shots | 18 |
| Unit of ranch land | 18 |
| Units of land area | 18 |
| Unlike this answer | 18 |
| U2 bassist Clayton | 18 |
| Utterly unyielding | 18 |
| Utilizes Chisanbop | 18 |
| Uses a '+' | 18 |
| Unprepared comment | 18 |
| Unmemorized remark | 18 |
| Unscripted comment | 18 |
| University concern | 18 |
| U.S. agency: Abbr. | 18 |
| Unwelcome mosquito | 18 |
| UnitedHealth rival | 18 |
| Union group: Abbr. | 18 |
| U.S. author-critic | 18 |
| Utah State athlete | 18 |
| U.S. cabinet dept. | 18 |
| Uttar Pradesh city | 18 |
| Utter Pradesh city | 18 |
| Unmasker's cry | 18 |
| Understanding word | 18 |
| Usher's milieu | 18 |
| Usher's domain | 18 |
| Usher's locale | 18 |
| Usher's ground | 18 |
| Unalaska residents | 18 |
| Underwater growths | 18 |
| Utterly unfamiliar | 18 |
| U.F.O. crew member | 18 |
| Unilever detergent | 18 |
| United, as nations | 18 |
| U.S. soprano Gluck | 18 |
| Ungulate that hums | 18 |
| Up-in-the-air no.? | 18 |
| Utah skiing resort | 18 |
| Unprofessional one | 18 |
| U.N. figure: Abbr. | 18 |
| U.N. biggie: Abbr. | 18 |
| U.S.A. part: Abbr. | 18 |
| U.S. citizen, e.g. | 18 |
| U.S.A., Mex., etc. | 18 |
| U.S.A., Can., etc. | 18 |
| U.S., in one sense | 18 |
| U.S. trading place | 18 |
| Unlikely memoirist | 18 |
| Unlikely to preach | 18 |
| Unpleasant feeling | 18 |
| Upward: Comb. form | 18 |
| Unusual occurrence | 18 |
| Underground worker | 18 |
| Uncooperative ones | 18 |
| Unspecified amount | 18 |
| Unspecified number | 18 |
| Unspecified choice | 18 |
| Unspecified person | 18 |
| Utterly antiquated | 18 |
| Utah national park | 18 |
| Undergoing vertigo | 18 |
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