| Undies, e.g. | 12 |
| Undies item | 11 |
| Undies | 6 |
| Undid, as an amendment | 22 |
| Undid the lap | 13 |
| Undid the blindfold | 19 |
| Undid knitting | 14 |
| Undid a snuffing | 16 |
| Undid a dele | 12 |
| Undid | 5 |
| Undeviating | 11 |
| Undeveloped, perhaps | 20 |
| Undeveloped state | 17 |
| Undeveloped stage | 17 |
| Undeveloped seed | 16 |
| Undeveloped rambler | 19 |
| Undeveloped home site | 21 |
| Undeveloped fingerprints | 24 |
| Undeveloped expanse | 19 |
| Undeveloped cotton pod | 22 |
| Undeveloped but potentially useful | 34 |
| Undeveloped | 11 |
| Undev. film | 11 |
| Undeterred | 10 |
| Undetermined amount | 19 |
| Undetermined | 12 |
| Undetected | 10 |
| Undetectable by smell, in a way | 31 |
| Undesired expansion | 19 |
| Undesired audience reaction | 27 |
| Undesirably solid | 17 |
| Undesirables | 12 |
| Undesirable wing coating | 24 |
| Undesirable tank level | 22 |
| Undesirable society type depicted in Orwell's "Nineteen Eighty-Four" | 82 |
| Undesirable serving | 19 |
| Undesirable roomie | 18 |
| Undesirable roll | 16 |
| Undesirable result of making a pass?: Abbr. | 43 |
| Undesirable payment status | 26 |
| Undesirable part of a record | 28 |
| Undesirable part | 16 |
| Undesirable overhang | 20 |
| Undesirable one, to Theodore Cleaver | 36 |
| Undesirable name? | 17 |
| 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 |