| Unfold, to poets | 16 |
| Unfold: Poet. | 13 |
| Unfolded | 8 |
| Unfolded, to Keats | 18 |
| Unfolding view for a hapless hang-glider? | 41 |
| Unfolds | 7 |
| Unfolds, in poetry | 18 |
| Unfolds, in verse | 17 |
| Unfolds, poetically | 19 |
| Unfolds, to Keats | 17 |
| Unfooled by | 11 |
| Unforced | 8 |
| Unforeseeable event | 19 |
| Unforeseen complication | 23 |
| Unforeseen difficulties | 23 |
| Unforeseen difficulty | 21 |
| Unforeseen effect | 17 |
| Unforeseen glitch | 17 |
| Unforeseen obstacle | 19 |
| Unforeseen plus | 15 |
| Unforeseen problem | 18 |
| Unforeseen problems | 19 |
| Unforeseen series of events brought on by a single act | 54 |
| Unforeseen trouble | 18 |
| Unforeseen troubles | 19 |
| Unforeseen woe | 14 |
| Unforested tract | 16 |
| Unforgettable Cole | 18 |
| Unforgettable edible | 20 |
| Unforgettable louse? | 20 |
| Unforgettable mission | 21 |
| Unforgettable place | 19 |
| Unforgettable time | 18 |
| Unforgettable time for historians | 33 |
| Unforgiving | 11 |
| Unforgiving muscle | 18 |
| Unfortunate | 11 |
| Unfortunate accident | 20 |
| Unfortunate acronym for the Moro Islamic Liberation Front, in terms of being taken seriously | 92 |
| Unfortunate bottom line | 23 |
| Unfortunate bottom line on an earnings report | 45 |
| Unfortunate boy's name in a 1969 song | 41 |
| Unfortunate circumstance | 24 |
| Unfortunate coal mine inhabitants | 33 |
| Unfortunate coal mine visitors | 30 |
| Unfortunate condition | 21 |
| Unfortunate date ending | 23 |
| Unfortunate destiny | 19 |
| Unfortunate development | 23 |
| Unfortunate eruption | 20 |
| Unfortunate event | 17 |
| Unfortunate events | 18 |
| Unfortunate fate | 16 |
| Unfortunate fellow | 18 |
| Unfortunate folks | 17 |
| Unfortunate Ford model | 22 |
| Unfortunate landing spot for a parachutist | 42 |
| Unfortunate meeting | 19 |
| Unfortunate motor sound | 23 |
| Unfortunate occurrence | 22 |
| Unfortunate one's run | 25 |
| Unfortunate outbreak | 20 |
| Unfortunate price to pay | 24 |
| Unfortunate situation | 21 |
| Unfortunate sort | 16 |
| Unfortunate soul | 16 |
| Unfortunate sound when you bend over | 36 |
| Unfortunate thing to hit | 24 |
| Unfortunate things to have to count | 35 |
| Unfortunate trio | 16 |
| Unfortunate type | 16 |
| Unfortunate utterance from the trenches | 39 |
| Unfortunate way to break off a relationship, with "on" | 64 |
| Unfortunate words with "the altar" | 44 |
| Unfortunate Zola courtesan | 26 |
| Unfortunately | 13 |
| Unfortunately common Chinese restaurant pun word | 48 |
| Unfortunately common wakeup time for baby Julius Tausig | 55 |
| Unfortunately named fruit | 25 |
| Unfortunately named Japanese chocolate company | 46 |
| Unfortunately spotted | 21 |
| Unfortunately, it may follow night | 34 |
| Unfortunates | 12 |
| Unfortunates of W.W. II | 23 |
| Unfounded | 9 |
| Unfounded belief | 16 |
| Unfounded charge, to an alleged perp | 36 |
| Unfounded criticisms | 20 |
| Unfounded notion | 16 |
| Unfounded report | 16 |
| Unfounded rumor | 15 |
| Unfounded rumors | 16 |
| Unfounded suspicion | 19 |
| Unfounded, as gossip | 20 |
| Unfounded, as rumors | 20 |
| Unfreeze | 8 |
| Unfreeze the wings | 18 |
| Unfreezes | 9 |
| Unfrequented | 12 |
| Unfrequented: poet. | 19 |