| Succumb to frustration | 22 |
| Succumb to interrogation | 24 |
| Succumb to mind control | 23 |
| Succumb to mind control, say | 28 |
| Succumb to stage fright | 23 |
| Succumb to wind and water | 25 |
| Succumbed to a swindle | 22 |
| Succumbed to being grilled | 26 |
| Succumbed to fear, maybe | 24 |
| Succumbed to Mr. Sandman | 24 |
| Succumbed to quicksand | 22 |
| Succumbed to stage fright | 25 |
| Succumbed to the sandman | 24 |
| Succumbed to wanderlust | 23 |
| Succumbing to second thoughts | 29 |
| Succumbs to a timber disease | 28 |
| Succumbs to narcolepsy | 22 |
| Such, in prescriptions | 22 |
| Suck up, like a sponge | 22 |
| Sucked from a Hummer, say | 25 |
| Sucker on a stick, for short | 28 |
| Sucker that debuted in 1931 | 27 |
| Sucker's beginning | 22 |
| Suckers in the auto world? | 26 |
| Suckler of Romulus and Remus | 28 |
| Sucks or blows, as it were | 26 |
| Sucky attendance count | 22 |
| Sucky concert attendance | 24 |
| Suction sound: phonet. | 22 |
| Sud's opposite: Fr. | 23 |
| Sudan president al-Bashir | 25 |
| Sudan's ___ Desert | 22 |
| Sudan's ___ Mountains | 25 |
| Sudan/Saudi Arabia separator | 28 |
| Sudanese province or stream | 27 |
| Sudanese Republic, formerly | 27 |
| Sudanese Republic, now | 22 |
| Sudanese Republic, today | 24 |
| Sudanese supermodel Wek | 23 |
| Sudbury to Toronto dir. | 23 |
| Sudden bit of bad news | 22 |
| Sudden burst of activity | 24 |
| Sudden burst of electricity | 27 |
| Sudden burst of growth | 22 |
| Sudden burst of thunder | 23 |
| Sudden burst of voltage | 23 |
| Sudden bursts of activity | 25 |
| Sudden charge in football | 25 |
| Sudden clouding-over, maybe | 27 |
| Sudden collapse into failure | 28 |
| Sudden course correction | 24 |
| Sudden death can end it | 23 |
| Sudden death periods: Abbr. | 27 |
| Sudden descent of water | 23 |
| Sudden energetic spurt | 22 |
| Sudden feeling of distress | 26 |
| Sudden feeling of longing | 25 |
| Sudden flow, as of water | 24 |
| Sudden impulses, in Madrid | 26 |
| Sudden increase in voltage | 26 |
| Sudden increase in wind | 23 |
| Sudden increase on a graph | 26 |
| Sudden intake of breath | 23 |
| Sudden intensification | 22 |
| Sudden inward detonations | 25 |
| Sudden light in the night sky | 29 |
| Sudden loud noise, perhaps | 26 |
| Sudden mental inspiration | 25 |
| Sudden military action | 22 |
| Sudden outburst of anger | 24 |
| Sudden outburst of praise | 25 |
| Sudden overpowering fear | 24 |
| Sudden overthrow attempt | 24 |
| Sudden policy reversal | 22 |
| Sudden rise in voltage | 22 |
| Sudden rush of electricity | 26 |
| Sudden shift, in sailing | 24 |
| Sudden sound of sneezing | 24 |
| Sudden spell of activity | 24 |
| Sudden spells of activity | 25 |
| Sudden storm in Hunan? | 22 |
| Sudden temperature drop | 23 |
| Sudden temporary activity | 25 |
| Sudden thrusts, in fencing | 26 |
| Sudden unforeseen occurrence | 28 |
| Sudden upturn, as in sales | 26 |
| Sudden voltage increase | 23 |
| Sudden ___ (overtimes) | 22 |
| Sudden ___ (tie-breakers) | 25 |
| Sudden, brief increase | 22 |
| Sudden, overwhelming quantity | 29 |
| Sudden, painful sensation | 25 |
| Sudden, quick movement | 22 |
| Sudden, sharp sensation | 23 |
| Sudden, swift and brilliant | 27 |
| Sudden, swift descents | 22 |
| Sudden, unexpected event | 24 |
| Sudden, violent disturbance | 27 |
| Sudden, violent effort | 22 |
| Sudden-death game, say | 22 |