| Sudanese Republic, now | 22 |
| Sudanese Republic, formerly | 27 |
| Sudanese province or stream | 27 |
| Sudan/Saudi Arabia separator | 28 |
| Sudan's ___ Mountains | 25 |
| Sudan's ___ Desert | 22 |
| Sudan president al-Bashir | 25 |
| Sud's opposite: Fr. | 23 |
| Suction sound: phonet. | 22 |
| Sucky concert attendance | 24 |
| Sucky attendance count | 22 |
| Sucks or blows, as it were | 26 |
| Suckler of Romulus and Remus | 28 |
| Suckers in the auto world? | 26 |
| Sucker's beginning | 22 |
| Sucker that debuted in 1931 | 27 |
| Sucker on a stick, for short | 28 |
| Sucked from a Hummer, say | 25 |
| Suck up, like a sponge | 22 |
| Such, in prescriptions | 22 |
| Succumbs to narcolepsy | 22 |
| Succumbs to a timber disease | 28 |
| Succumbing to second thoughts | 29 |
| Succumbed to wanderlust | 23 |
| Succumbed to the sandman | 24 |
| Succumbed to stage fright | 25 |
| Succumbed to quicksand | 22 |
| Succumbed to Mr. Sandman | 24 |
| Succumbed to fear, maybe | 24 |
| Succumbed to being grilled | 26 |
| Succumbed to a swindle | 22 |
| Succumb to wind and water | 25 |
| Succumb to stage fright | 23 |
| Succumb to mind control, say | 28 |
| Succumb to mind control | 23 |
| Succumb to interrogation | 24 |
| Succumb to frustration | 22 |
| Succumb to an interrogator | 26 |
| Succumb to age, perhaps | 23 |
| Succumb to a yo-yo diet | 23 |
| Succumb to a drought, perhaps | 29 |
| Succulents that soothe | 22 |
| Succulents for lotions | 22 |
| Succulent, spiny-leaved plant | 29 |
| Succulent, spiny-leafed plant | 29 |
| Succulent used in tequila | 25 |
| Succulent skin soother | 22 |
| Succulent plant of dry areas | 28 |
| Succulent part of fruit | 23 |
| Succulent part of a rack | 24 |
| Succulent or salacious | 22 |
| Succulent medicinal plant | 25 |
| Succulent lobster piece | 23 |
| Succulent household shrub | 25 |
| Succulent healing plants | 24 |
| Succulent African plant | 23 |
| Succinctness principle | 22 |
| Succinct and meaningful | 23 |
| Successors' places | 22 |
| Successors to the Nassers | 25 |
| Successors of LP's | 22 |
| Successor, as to a throne | 25 |
| Successor to William II | 23 |
| Successor to Trygve Lie | 23 |
| Successor to the U.S.S.R. | 25 |
| Successor to the Studebaker | 27 |
| Successor to the Cutlass | 24 |
| Successor to Pope John XXIII | 28 |
| Successor to Pope John X | 24 |
| Successor to our quart? | 23 |
| Successor to Joseph Wapner | 26 |
| Successor to Henry the Fowler | 29 |
| Successor to Galaxie 500 | 24 |
| Successor to Elizabeth I | 24 |
| Successor to Edward VI | 22 |
| Successor to David Dinkins | 26 |
| Successor to Clement VIII | 25 |
| Successor to Claudius I | 23 |
| Successor to Churchill | 22 |
| Successor to Boutros-Ghali | 26 |
| Successor to Beatle Best | 24 |
| Successor to a Colt .45 | 23 |
| Successor to a Colt '45 | 27 |
| Successor org. to the USSR | 26 |
| Successor of William and Mary | 29 |
| Successor of the wax sealer | 27 |
| Successor of St. Peter | 22 |
| Successor of Roosevelt | 22 |
| Successor of Rameses I | 22 |
| Successor of Elizabeth I | 24 |
| Successor of Churchill | 22 |
| Successively: hit the hay | 25 |
| Successfully work a puzzle | 26 |
| Successfully vaccinated | 23 |
| Successfully uses sonar? | 24 |
| Successfully stage a coup | 25 |
| Successfully prosecute | 22 |
| Successfully persuades | 22 |
| Successfully on the wagon | 25 |
| Successfully impersonate | 24 |