| Undesirable leavings | 20 |
| Undesirable family member | 25 |
| Undesirable engine sound | 24 |
| Undesirable elements | 20 |
| Undesirable element in the home | 31 |
| Undesirable development around a city | 37 |
| Undesirable consequences | 24 |
| Undesirable condition | 21 |
| Undesirable coastal phenomena | 29 |
| Undesirable casino companion | 28 |
| Undesirable bunkmates | 21 |
| Undesirable auditorium effect | 29 |
| Undesirable aspects | 19 |
| Undesirable alternatives | 24 |
| Undesirable | 11 |
| Undeserving of a padded cell | 28 |
| Undeserved reputation | 21 |
| Undeserved notoriety | 20 |
| Undeserved infamy | 17 |
| Undeserved criticism | 20 |
| Undeserved blame | 16 |
| Underwrote | 10 |
| Underwritten? | 13 |
| Underwriting? | 13 |
| Underwriting association | 24 |
| Underwrites | 11 |
| Underwriters' tasks | 23 |
| Underwriters acronym | 20 |
| Underwriters | 12 |
| Underwriter's concern | 25 |
| Underwriter's assessment | 28 |
| Underwriter | 11 |
| Underwrite | 10 |
| Underworlds, long ago | 21 |
| Underworld, O.T. style | 22 |
| Underworld, in the Hebrew Bible | 31 |
| Underworld weapon | 17 |
| Underworld VIPs | 15 |
| Underworld V.I.P.'s | 23 |
| Underworld units | 16 |
| Underworld types | 16 |
| Underworld tongue | 17 |
| Underworld thug | 15 |
| Underworld talk | 15 |
| Underworld song off "A Hundred Days Off" album | 56 |
| Underworld society | 18 |
| Underworld ruler | 16 |
| Underworld route | 16 |
| Underworld river | 16 |
| Underworld piece | 16 |
| Underworld party | 16 |
| Underworld overlord, in crookspeak | 34 |
| Underworld overlord | 19 |
| Underworld offices | 18 |
| Underworld of mythology | 23 |
| Underworld of myth | 18 |
| Underworld of Greek mythology | 29 |
| Underworld name | 15 |
| Underworld money lender | 23 |
| Underworld meeting place | 24 |
| Underworld leader? | 18 |
| Underworld leader | 17 |
| Underworld language | 19 |
| Underworld kingpin | 18 |
| Underworld higher-up | 20 |
| Underworld groups | 17 |
| Underworld group, with "the" | 38 |
| Underworld group | 16 |
| Underworld goddess | 18 |
| Underworld god | 14 |
| Underworld flower | 17 |
| Underworld figures? | 19 |
| Underworld figures may cross it | 31 |
| Underworld figures | 18 |
| Underworld figure | 17 |
| Underworld ferryman's post | 30 |
| Underworld family | 17 |
| Underworld entrance, to an Italian | 34 |
| Underworld denizens | 19 |
| Underworld deity | 16 |
| Underworld code of silence | 26 |
| Underworld bosses | 17 |
| Underworld boss? | 16 |
| Underworld boss | 15 |
| Underworld bigwig | 17 |
| Underworld actor? | 17 |
| Underworld activities | 21 |
| Underworld | 10 |
| Underwood received 24 | 21 |
| Underwood and Studdard, affectionately | 38 |
| Underwood | 9 |
| Underwire underwear | 19 |
| Underwire holder | 16 |
| Underwire garment | 17 |
| Underwhelmed grunt | 18 |
| Underwent remission of fever | 28 |
| Underwent reflection? | 21 |
| Underwent reduction | 19 |
| Underwent chemical change | 25 |
| Underwent a recession | 21 |