| Text | Length |
| Undesirable society type depicted in Orwell's "Nineteen Eighty-Four" | 82 |
| Undesirable tank level | 22 |
| Undesirable wing coating | 24 |
| Undesirables | 12 |
| Undesirably solid | 17 |
| Undesired audience reaction | 27 |
| Undesired expansion | 19 |
| Undetectable by smell, in a way | 31 |
| Undetected | 10 |
| Undetermined | 12 |
| Undetermined amount | 19 |
| Undeterred | 10 |
| Undev. film | 11 |
| Undeveloped | 11 |
| Undeveloped but potentially useful | 34 |
| Undeveloped cotton pod | 22 |
| Undeveloped expanse | 19 |
| Undeveloped fingerprints | 24 |
| Undeveloped home site | 21 |
| Undeveloped rambler | 19 |
| Undeveloped seed | 16 |
| Undeveloped stage | 17 |
| Undeveloped state | 17 |
| Undeveloped, perhaps | 20 |
| Undeviating | 11 |
| Undid | 5 |
| Undid a dele | 12 |
| Undid a snuffing | 16 |
| Undid knitting | 14 |
| Undid the blindfold | 19 |
| Undid the lap | 13 |
| Undid, as an amendment | 22 |
| Undies | 6 |
| Undies item | 11 |
| Undies, e.g. | 12 |
| Undifficult | 11 |
| Undignified | 11 |
| Undignified command to Fido | 27 |
| Undignified landing | 19 |
| Undignified mount | 17 |
| Undiluted | 9 |
| Undiluted breakfast drink | 25 |
| Undiluted fruit juice | 21 |
| Undiluted, as a bar drink | 25 |
| Undiluted, as a drink | 21 |
| Undiluted, as liquor | 20 |
| Undiluted, as whiskey | 21 |
| Undiluted, as whisky | 20 |
| Undiluted, at the bar | 21 |
| Undiluted, in a whiskey order | 29 |
| Undiluted, perhaps | 18 |
| Undiminished | 12 |
| Undine | 6 |
| Undine's relative | 21 |
| Undiplomatic | 12 |
| Undirected | 10 |
| Undirected session | 18 |
| Undisciplined | 13 |
| Undisciplined batter: free ___ | 30 |
| Undisclosed | 11 |
| Undisclosed corporation staging takeover of office-supply chain! | 64 |
| Undiscounted | 12 |
| Undisguised | 11 |
| Undisputable bit | 16 |
| Undisputed | 10 |
| Undisputed champ | 16 |
| Undisputed leader at drawing walks? | 35 |
| Undisputed point | 16 |
| Undissembling | 13 |
| Undistinguished | 15 |
| Undistinguished emulator | 24 |
| Undistinguished imitator | 24 |
| Undistinguished one | 19 |
| Undistinguished poet Pound? | 27 |
| Undistracted | 12 |
| Undisturbed | 11 |
| Undisturbed? | 12 |
| Undiversified, as a farm | 24 |
| Undivided | 9 |
| Undivided condition | 19 |
| Undivided, as attention | 23 |
| Undivulged | 10 |
| Undo | 4 |
| Undo legislatively | 19 |
| Undo "I do" | 21 |
| Undo a ''dele'' | 31 |
| Undo a breach | 13 |
| Undo a change | 13 |
| Undo a dele | 11 |
| Undo a deletion | 15 |
| Undo a do | 9 |
| Undo a law | 10 |
| Undo a lead | 11 |
| Undo a secession | 16 |
| Undo a truce | 12 |
| Undo animosities | 16 |
| Undo by degrees | 15 |
| Undo détente | 15 |
| Undo legally | 12 |
| Undo officially | 15 |
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