| Singled out for attention | 25 |
| Singles actor Dillon | 23 |
| Singles among the Pringles? | 27 |
| Singles at the laundromat | 25 |
| Singles bar acquisition | 23 |
| Singles bar giveaway?: Abbr. | 28 |
| Singles bar habitué? | 23 |
| Singles bar icebreaker | 22 |
| Singles bar pickup strategy? | 28 |
| Singles champ: 1937-38 | 22 |
| Singles champ: 1959-60 | 22 |
| Singles or doubles at Fenway | 28 |
| Singles player, briefly | 23 |
| Singles to female singles? | 26 |
| Singles' final words? | 25 |
| Singles, vees and sawbucks | 26 |
| Singles-bar frequenters? | 24 |
| Singleton, in Stuttgart | 23 |
| Sings above true pitch | 22 |
| Sings along without words | 25 |
| Sings at a high level? | 22 |
| Sings in a 1950s style, say | 27 |
| Sings like a Soprano-hater | 26 |
| Sings like Cab Calloway | 23 |
| Sings like Crosby or Como | 25 |
| Sings like Ella Fitzgerald | 26 |
| Sings like Ethel Merman | 23 |
| Sings like Nat King Cole | 24 |
| Sings like Rudy Vallee | 22 |
| Sings lustily while fishing? | 28 |
| Sings or dances, for example | 28 |
| Sings with a closed mouth | 25 |
| Sings with closed mouth | 23 |
| Sings with frequent breaks? | 27 |
| Sings, as to an infant | 22 |
| Sings, at the station? | 22 |
| Singsong delivery: Abbr. | 24 |
| Singular 1960 musical? | 22 |
| Singular Bee Gees song? | 23 |
| Singular Christmas toy? | 23 |
| Singular club performer? | 24 |
| Singular operatic performance | 29 |
| Singular or plural pronoun | 26 |
| Singular performances? | 22 |
| Singularly impressive bust? | 27 |
| Sinise's CBS series | 23 |
| Sinise-Kanakaredes drama | 24 |
| Sinister cinematic street | 25 |
| Sinister, manipulative type | 27 |
| Sink as low as one can | 22 |
| Sink below the horizon | 22 |
| Sink below the surface | 22 |
| Sink down in the middle | 23 |
| Sink like a soufflé | 22 |
| Sink one's teeth into | 25 |
| Sink's alternative | 22 |
| Sink, as a billiard ball | 24 |
| Sink, as a derelict ship | 24 |
| Sink, as a snooker ball | 23 |
| Sink-side item, perhaps | 23 |
| Sink-to-sewer connection | 24 |
| Sinker of the Lusitania | 23 |
| Sinkers may result in these | 27 |
| Sinkhole creation, maybe | 24 |
| Sinking feeling outburst? | 25 |
| Sinking ship's deserter | 27 |
| Sinking ship's evacuee | 26 |
| Sinking ship's signal | 25 |
| Sinking-ship deserters | 22 |
| Sinks a six-incher, say | 23 |
| Sinks below the horizon | 23 |
| Sinks one's teeth into | 26 |
| Sinks the cueball, e.g. | 23 |
| Sinks to the bottom, as silt | 28 |
| Sinks, as a short putt | 22 |
| Sinless Tina has this quality | 29 |
| Sinn Fein ally, briefly | 23 |
| Sinn Fein leader Adams | 22 |
| Sinn Feiner's org. | 22 |
| Sinn ___ (Irish organization) | 29 |
| Sinn ___ (Irish society) | 24 |
| Sinn ___, Irish society | 23 |
| Sinner's motivator? | 23 |
| Sinner's punishment | 23 |
| Sinner's self-abasement | 27 |
| Sinners, Biblically speaking | 28 |
| Sino-Japanese War statesman | 27 |
| Sino-Japanese War subject | 25 |
| Sino-Russian border river | 25 |
| Sino-Soviet border river | 24 |
| Sinuous comics villain | 22 |
| Sinuous Mideast entertainer | 27 |
| Sinuous Nile creatures | 22 |
| Sinus headache treater: Abbr. | 29 |
| Sinus infection symptom | 23 |
| Sinus of Valsalva locale | 24 |
| Sinus specialist, briefly | 25 |
| Sinus specialist, for short | 27 |
| Sinus specialist, succinctly | 28 |
| Sinus specialist: Abbr. | 23 |