| Union document | 14 |
| Union division | 14 |
| Union disbanded by Reagan | 25 |
| Union deserter, maybe | 21 |
| Union demands | 13 |
| Union demand, perhaps | 21 |
| Union demand | 12 |
| Union defier | 12 |
| Union currently run by James P. Hoffa | 37 |
| Union creation, often | 21 |
| Union created by a 1955 merger, briefly | 39 |
| Union contracts? | 16 |
| Union contract? | 15 |
| Union contract subject | 22 |
| Union contract stat | 19 |
| Union contract provision | 24 |
| Union contract no. | 18 |
| Union contract detail | 21 |
| Union concession | 16 |
| Union concerns | 14 |
| Union concern | 13 |
| Union complaint? | 16 |
| Union commander at Gettysburg | 29 |
| Union collectors' items | 27 |
| Union collections | 17 |
| Union collection | 16 |
| Union Civil War general George | 30 |
| Union Civil War general | 23 |
| Union city? | 11 |
| Union chapter | 13 |
| Union busters? | 14 |
| Union busters of the 19th cen. | 30 |
| Union buster? | 13 |
| Union buster | 12 |
| Union broken by Pres. Reagan | 28 |
| Union branches | 14 |
| Union branch | 12 |
| Union bosses' bunks? | 24 |
| Union boss who went missing | 27 |
| Union benefit during a walkout | 30 |
| Union bête noire | 19 |
| Union based in Detroit, Mich. | 29 |
| Union authorization | 19 |
| Union at the docks: Abbr. | 25 |
| Union Army officer Edward for whom a fort was named | 51 |
| Union and Penn | 14 |
| Union and others: Abbr. | 23 |
| Union agreements? | 17 |
| Union agreements | 16 |
| Union agreement? | 16 |
| Union agreement | 15 |
| Union advocates | 15 |
| Union activist Norma ___ Webster | 32 |
| Union activist Chavez | 21 |
| Union action? | 13 |
| Union acquisition? | 18 |
| Union acquisition | 17 |
| Union accord? | 13 |
| Union abbr. | 11 |
| Union in 1860s | 15 |
| Union for one | 14 |
| Union | 5 |
| Uninvolved; easygoing | 21 |
| Uninvolved | 10 |
| Uninviting to a vegan, e.g. | 27 |
| Uninviting to a vegan | 21 |
| Uninviting look | 15 |
| Uninvited wedding guest | 23 |
| Uninvited swine? | 16 |
| Uninvited rooter | 16 |
| Uninvited picnic guests | 23 |
| Uninvited picnic attendee | 25 |
| Uninvited partygoer | 19 |
| Uninvited party guest | 21 |
| Uninvited ones | 14 |
| Uninvited one | 13 |
| Uninvited house guest? | 22 |
| Uninvited guests | 16 |
| Uninvited guest | 15 |
| Uninvited cornfield guest | 25 |
| Uninvited cookout guest? | 24 |
| Uninvited burrower | 18 |
| Uninvited attendee | 18 |
| Unintuitive thing for language learners | 39 |
| Uninterruptedly | 15 |
| Uninterrupted space | 19 |
| Uninterrupted series | 20 |
| Uninterrupted sequence | 22 |
| Uninterrupted | 13 |
| Uninterpreted info | 18 |
| Uninteresting, like a show | 26 |
| Uninteresting voice | 19 |
| Uninteresting types | 19 |
| Uninteresting structural support? | 33 |
| Uninteresting South Dakota municipality? | 40 |
| Uninteresting secondhand garment? | 33 |
| Uninteresting progress report | 29 |
| Uninteresting persons | 21 |
| Uninteresting one | 17 |
| Uninteresting North Pacific area? | 33 |