| Unable to stand the heat? | 25 |
| Unable to stay on key | 21 |
| Unable to survive or develop normally | 37 |
| Unable to tear oneself away from | 32 |
| Unable to think at all | 22 |
| Unable to understand | 20 |
| Unable to walk | 14 |
| Unable to walk the walk | 23 |
| Unable to work, maybe | 21 |
| Unable to work, perhaps | 23 |
| Unabomber's writing, e.g. | 29 |
| Unabridged | 10 |
| Unabridged dictionary, e.g. | 27 |
| Unabridged editions | 19 |
| Unabridged version of a Philip Roth novella? | 44 |
| Unabridged, e.g. | 16 |
| Unac-companied | 14 |
| Unaccented | 10 |
| Unaccented syllable | 19 |
| Unaccented vowel | 16 |
| Unaccented words | 16 |
| Unaccented, as syllables | 24 |
| Unacceptable | 12 |
| Unacceptable act | 16 |
| Unacceptable for this puzzle? | 29 |
| Unacceptable in polite society | 30 |
| Unacceptable marks for teenagers | 32 |
| Unacceptable marks for teenagers? | 33 |
| UNACCEPTABLE ROMANCE | 20 |
| Unacceptable to polite society | 30 |
| Unaccepted or unwelcome | 23 |
| Unaccommodating | 15 |
| Unaccompanied | 13 |
| Unaccompanied choral composition | 32 |
| Unaccompanied efforts | 21 |
| Unaccompanied group song | 24 |
| Unaccompanied harmonized melody | 31 |
| Unaccompanied NHL team member? | 30 |
| Unaccompanied part song | 23 |
| Unaccompanied part songs | 24 |
| Unaccompanied performance | 25 |
| Unaccompanied performances | 26 |
| Unaccompanied singing style | 27 |
| Unaccompanied songs | 19 |
| Unaccompanied, perhaps | 22 |
| Unaccountable | 13 |
| Unaccountableness | 17 |
| Unaccounted for | 15 |
| Unaccounted for, briefly | 24 |
| Unaccounted for, in a way | 25 |
| Unaccounted for, in a way (abbr.) | 33 |
| Unaccounted for, on base | 24 |
| Unaccounted-for combatants: Abbr. | 33 |
| Unaccounted-for G.I. | 20 |
| Unaccounted-for G.I.'s | 26 |
| Unaccounted-for GI | 18 |
| Unaccounted-for GI, perhaps | 27 |
| Unaccounted-for GIs | 19 |
| Unaccounted-for grunts: Abbr. | 29 |
| Unaccounted-for radar blips | 27 |
| Unaccounted-for radar blips, maybe | 34 |
| Unaccounted-for soldiers (abbr.) | 32 |
| Unaccustom | 10 |
| Unaccustomed | 12 |
| Unaccustomed (to) | 17 |
| Unaccustomed to | 15 |
| Unacquaintance? | 15 |
| Unacquainted with ethics | 24 |
| Unactivated | 11 |
| Unadjusted result, in testing | 29 |
| Unadmirable trait | 17 |
| Unadon fillets | 14 |
| Unadon fish | 11 |
| Unadon ingredient | 17 |
| Unadorned | 9 |
| Unadorned entry? | 16 |
| Unadorned font | 14 |
| Unadorned or simple | 19 |
| Unadorned performance space | 27 |
| Unadorned ring | 14 |
| Unadorned, as facts | 19 |
| Unadulterated | 13 |
| Unadulterated Lightning Seeds song? | 35 |
| Unadulterated moonshine? | 24 |
| Unadulterated truth | 19 |
| Unadultered | 11 |
| Unadventurous bar orders | 24 |
| Unaffected | 10 |
| Unaffected by emotion | 21 |
| Unaffected by killjoys? | 23 |
| Unaffected by passion | 21 |
| Unaffected by problems | 22 |
| Unaffected by stretching | 24 |
| Unaffected horse movements? | 27 |
| Unaffected manner | 17 |
| Unaffectedness | 14 |
| Unaffectionate | 14 |
| Unaffiliated politically: Abbr. | 31 |
| Unaffiliated production cos. | 28 |
| Unaffiliated record company | 27 |