| Summer and winter events | 24 |
| Summer along the Somme | 22 |
| Summer along the Seine | 22 |
| Summer activity at Brighton | 27 |
| Summation symbol in math | 24 |
| Summation signifier, in math | 28 |
| Summary of Norse myths | 22 |
| Summary of Norse mythology | 26 |
| Summary of atlas symbols | 24 |
| Summary of a shrinking mass? | 28 |
| Summarizes the judgment | 23 |
| Summarized, as a ball game | 26 |
| Summa cum ___ (top grads) | 25 |
| Summa cum laude candidate | 25 |
| Sumerian god of wisdom | 22 |
| Sumerian earth goddess | 22 |
| Sumatrans' neighbors | 24 |
| Sumatran simian, for short | 26 |
| Sumatran redhead, briefly | 25 |
| Sumatra's neighbor | 22 |
| Sumatra simians, briefly | 24 |
| Sumac with a wide range | 23 |
| Sumac souvenir, perhaps | 23 |
| Sumac from South America | 24 |
| Sum of one's actions | 24 |
| Sum of interest to Bohr | 23 |
| Sum of 100,000 in India | 23 |
| Sum 41 song about S&M? | 26 |
| Sum 41 "___ Lip" | 26 |
| Sulu on "Star Trek" | 29 |
| Sultry visitor from the south | 29 |
| Sultry summer stretches | 23 |
| Sultry star of early talkies | 28 |
| Sultry spring winds in Egypt | 28 |
| Sultans' collections | 24 |
| Sultans' associates | 23 |
| Sultanate the size of Kansas | 28 |
| Sultanate on the Arabian Sea | 28 |
| Sultanate of Babe Ruth | 22 |
| Sultanate in the Mideast | 24 |
| Sultanate founded by Osman I | 28 |
| Sultanas' chambers | 22 |
| Sultana grapes' lack | 24 |
| Sultan's wife, perhaps? | 27 |
| Sultan's subject, maybe | 27 |
| Sultan's headdresses | 24 |
| Sultan's entourage | 22 |
| Sultan's assemblage | 23 |
| Sultan's accumulation | 25 |
| Sultan Qabus bin Said, e.g. | 27 |
| Sultan of ___ (Babe Ruth) | 25 |
| Sulphuric and muriatic | 22 |
| Sulphur Island, for short | 25 |
| Sully, as a reputation | 22 |
| Sullivan-era comedienne | 23 |
| Sullivan's student | 22 |
| Sullivan's partner | 22 |
| Sullivan vs. Kilrain: 1889 | 26 |
| Sullivan offering, inevitably | 29 |
| Sullivan had a really big one | 29 |
| Sullivan and O'Neill | 24 |
| Sullen, after "in" | 28 |
| Sullen and looking unhappy | 26 |
| Sulla's salutation | 22 |
| Sulky-puller's gait | 23 |
| Sulky driver's dessert? | 27 |
| Sulker's expression | 23 |
| Sulfurous rock production | 25 |
| Sulfur ___ (pungent gas) | 24 |
| Sulfide-containing group | 24 |
| Sukiyaki ingredient, often | 26 |
| Suits, with "with" | 28 |
| Suits to __ (is just right) | 27 |
| Suits at the beach, maybe | 25 |
| Suits are his strong suit | 25 |
| Suitor's presentation | 25 |
| Suited to lathe-working | 23 |
| Suited for the purpose | 22 |
| Suited for safeguarding | 23 |
| Suite-symphony intermediate | 27 |
| Suite composition: Abbr. | 24 |
| Suite "bread" | 23 |
| Suitcase lugger's aid | 25 |
| Suitable, in product names | 26 |
| Suitable's opposite | 23 |
| Suitable to the occasion | 24 |
| Suitable times, briefly | 23 |
| Suitable street in London? | 26 |
| Suitable spot for a statue | 26 |
| Suitable sites for suits | 24 |
| Suitable Hindu garment | 22 |
| Suitable fruit for Scrooge? | 27 |
| Suitable for young viewers | 26 |
| Suitable for use as food | 24 |
| Suitable for tweens, usually | 28 |
| Suitable for the occasion | 25 |
| Suitable for the chorus | 23 |
| Suitable for the Boston Pops | 28 |
| Suitable for the block | 22 |
| Suitable for teen audiences | 27 |