| Single one's last words? | 28 |
| Single opening? | 15 |
| Single or double | 16 |
| Single or double, e.g. | 22 |
| Single or double, maybe | 23 |
| Single or double, often | 23 |
| Single or double, say | 21 |
| Single or homer | 15 |
| Single or separated, e.g. | 25 |
| Single order of tutti frutti? | 29 |
| Single out | 10 |
| Single out as important | 23 |
| Single out for a closeup | 24 |
| Single out for praise | 21 |
| Single outbreak | 15 |
| Single outcome, maybe | 21 |
| Single parent with family values? | 33 |
| Single part | 11 |
| Single part of the whole | 24 |
| Single partygoer | 16 |
| Single past short, e.g. | 23 |
| Single payments | 15 |
| Single performance | 18 |
| Single performances | 19 |
| Single pers. | 12 |
| Single person's last words | 30 |
| Single person's last words? | 31 |
| Single pickle | 13 |
| Single piece for a dancer | 25 |
| Single piece of information | 27 |
| Single piece of potato used to excite a team's fanbase? | 59 |
| Single point | 12 |
| Single portion of food | 22 |
| Single prefix | 13 |
| Single quantity | 15 |
| Single result, perhaps | 22 |
| Single result, possibly (abbr,) | 31 |
| Single rotation period | 22 |
| Single scoop | 12 |
| Single season strike-out king | 29 |
| Single serving of butter | 24 |
| Single serving, like sugar | 26 |
| Single setting pad | 18 |
| Single shoe protector | 21 |
| Single shot | 11 |
| Single shot, perhaps | 20 |
| Single show | 11 |
| Single sock, e.g. | 17 |
| Single start? | 13 |
| Single starter? | 15 |
| Single statistic | 16 |
| Single step | 11 |
| Single steps | 12 |
| Single stock quantity | 21 |
| Single stock: abbr. | 19 |
| Single stroke | 13 |
| Single surface | 14 |
| Single surface? | 15 |
| Single thickness | 16 |
| Single thing | 12 |
| Single things | 13 |
| Single thread | 13 |
| Single time | 11 |
| Single time? | 12 |
| Single undivided entity | 23 |
| Single unit | 11 |
| Single white male who likes the cold? | 37 |
| Single word | 11 |
| Single word on the last line of a paragraph, say | 48 |
| Single year's record | 24 |
| Single __: Olympics event | 25 |
| Single __: tournament type | 26 |
| Single's bloom? | 19 |
| Single's flip side, often | 29 |
| Single's greenery? | 22 |
| Single's opposite | 21 |
| Single, double, or triple | 25 |
| Single, e.g. | 12 |
| Single, for one | 15 |
| Single, for one: Abbr. | 22 |
| Single, in a ballpark | 21 |
| Single, in Fenway Park | 22 |
| Single, in Paris | 16 |
| Single, in Strasbourg | 21 |
| Single, potentially | 19 |
| Single, say | 11 |
| Single, slangily | 16 |
| Single- --- scotch | 18 |
| Single-and-looking group | 24 |
| Single-barreled weapons | 23 |
| Single-bonded hydrocarbon functional group | 42 |
| Single-cell organism | 20 |
| Single-cell protozoans | 22 |
| Single-celled blob | 18 |
| Single-celled creature | 22 |
| Single-celled creatures | 23 |
| Single-celled critter | 21 |
| Single-celled critters | 22 |
| Single-celled critters (Var.) | 29 |
| Single-celled microorganism | 27 |