| Unbefitting | 11 |
| Unbecoming wit | 14 |
| Unbeatably pleasant | 19 |
| Unbeatable service | 18 |
| Unbeatable serve | 16 |
| Unbeatable scourge | 18 |
| Unbeatable rivals | 17 |
| Unbeatable rival | 16 |
| Unbeatable rating | 17 |
| Unbeatable opponents | 20 |
| Unbeatable mark | 15 |
| Unbeatable hand | 15 |
| Unbeatable golf shots | 21 |
| Unbeatable foe | 14 |
| Unbeatable baccarat hand | 24 |
| Unbeatable archenemies | 22 |
| Unbeatable | 10 |
| Unbearably pleased | 18 |
| Unbearably hot holiday? | 23 |
| Unbearable? | 11 |
| Unbearable pain | 15 |
| Unbearable experience | 21 |
| Unbearable child | 16 |
| Unböring retailer | 20 |
| Unbars, to Byron | 16 |
| Unbars, in poetry | 17 |
| Unbars | 6 |
| Unbarred, to a bard | 19 |
| Unbar, to the Bard | 18 |
| Unbar, to Keats | 15 |
| Unbar, to Byron | 15 |
| Unbanded? | 9 |
| Unbalancing game | 16 |
| Unbalanced | 10 |
| Unawares | 8 |
| Unaware states | 14 |
| Unaware of | 10 |
| Unaware | 7 |
| Unavoidable ruin | 16 |
| Unavoidable outcome | 19 |
| Unavoidable danger | 18 |
| Unavoidable bad end | 19 |
| Unavoidable | 11 |
| Unavailing | 10 |
| Unavailable, perhaps | 20 |
| Unavailable, in a way | 21 |
| Unavailable, at a gallery: Abbr. | 32 |
| Unavailable, as for appointments | 32 |
| Unavailable right now | 21 |
| Unavailable now | 15 |
| Unavailable for appointments | 28 |
| Unavailable at the moment | 25 |
| Unavailable | 11 |
| Unauthorized, as a concert recording | 36 |
| Unauthorized work stoppage | 26 |
| Unauthorized withdrawal? | 24 |
| Unauthorized user? | 18 |
| Unauthorized striker's appeal for support? | 46 |
| Unauthorized strike | 19 |
| Unauthorized stories written by devotees | 40 |
| Unauthorized revelation | 23 |
| Unauthorized preview, say | 25 |
| Unauthorized pickups | 20 |
| Unauthorized news sources | 25 |
| Unauthorized Nancy Reagan biographer | 36 |
| Unauthorized explorer of city tunnels and sewers | 48 |
| Unauthorized DVD | 16 |
| Unauthorized disclosures | 24 |
| Unauthorized disclosure | 23 |
| Unauthorized departer | 21 |
| Unauthorized concert recording | 30 |
| Unauthorized absentees | 22 |
| Unauthorized absentee | 21 |
| Unauthorized | 12 |
| Unaugmented wages | 17 |
| Unau and ai | 11 |
| Unattributed: Abbr. | 19 |
| Unattributed, in Bartlett's | 31 |
| Unattributed, as a quote: Abbr. | 31 |
| Unattractively old-fashioned | 28 |
| Unattractive, as a neighborhood | 31 |
| Unattractive, and then some | 27 |
| Unattractive tropical fruit | 27 |
| Unattractive Jamaican fruit | 27 |
| Unattractive fruit? | 19 |
| Unattractive fruit that sounds that way | 39 |
| Unattractive fruit | 18 |
| Unattractive feature | 20 |
| Unattractive citrus? | 20 |
| Unattractive aspects | 20 |
| Unattractive | 12 |
| Unattended laundry job | 22 |
| Unattended inbox work, e.g. | 27 |
| Unattended | 10 |
| Unattainable dream | 18 |
| Unattainable aspiration | 23 |
| Unattached male | 15 |
| Unattached | 10 |
| Unassuming nature | 17 |
| Unassuming fellow | 17 |