| Single-named New Age music star | 31 |
| Single-named music star | 23 |
| Single-named Irish singer | 25 |
| Single-named folksinger | 23 |
| Single-named folk singer from Alabama | 37 |
| Single-named folk singer | 24 |
| Single-named British R&B singer | 35 |
| Single-named artist | 19 |
| Single-named alt-rock artist | 28 |
| Single-named 60's singer | 28 |
| Single-named 1950s TV star | 26 |
| Single-named "Hollywood Squares" regular | 50 |
| Single-mom sitcom of the 2000s | 30 |
| Single-mindedness | 17 |
| Single-minded theorizer | 23 |
| Single-minded sort | 18 |
| Single-minded person | 20 |
| Single-minded people? | 21 |
| Single-minded captain | 21 |
| Single-minded auditor | 21 |
| Single-minded | 13 |
| Single-masters | 14 |
| Single-master | 13 |
| Single-masted vessels | 21 |
| Single-masted vessel | 20 |
| Single-masted ship | 18 |
| Single-masted sailing vessel | 28 |
| Single-masted sailers | 21 |
| Single-masted sailer | 20 |
| Single-masted sailboat | 22 |
| Single-masted boats | 19 |
| Single-masted boat | 18 |
| Single-malt liquor store? | 25 |
| Single-malt liquor | 18 |
| Single-malt datum | 17 |
| Single-legged support | 21 |
| Single-issue publication | 24 |
| Single-issue magazine | 21 |
| Single-helix stuff | 18 |
| Single-helix molecule | 21 |
| Single-helix compound | 21 |
| Single-handedly | 15 |
| Single-handed | 13 |
| Single-gulp drink | 17 |
| Single-grape wine | 17 |
| Single-foot, e.g. | 17 |
| Single-foot and walk | 20 |
| Single-foot and others | 22 |
| Single-foot | 11 |
| Single-file travelers, at times | 31 |
| Single-file marchers | 20 |
| Single-file | 11 |
| Single-entrance sts. | 20 |
| Single-edition mag | 18 |
| Single-edged sword | 18 |
| Single-edged knife | 18 |
| Single-dish meal | 16 |
| Single-cut and rat-tail? | 24 |
| Single-combed fowl | 18 |
| Single-channel | 14 |
| Single-celled reproductive bodies | 33 |
| Single-celled protozoan | 23 |
| Single-celled protozoa | 22 |
| Single-celled organisms | 23 |
| Single-celled organism: var. | 28 |
| Single-celled organism with a flagellum | 39 |
| Single-celled organism (Var.) | 29 |
| Single-celled organism | 22 |
| Single-celled microorganism | 27 |
| Single-celled critters (Var.) | 29 |
| Single-celled critters | 22 |
| Single-celled critter | 21 |
| Single-celled creatures | 23 |
| Single-celled creature | 22 |
| Single-celled blob | 18 |
| Single-cell protozoans | 22 |
| Single-cell organism | 20 |
| Single-bonded hydrocarbon functional group | 42 |
| Single-barreled weapons | 23 |
| Single-and-looking group | 24 |
| Single- --- scotch | 18 |
| Single, slangily | 16 |
| Single, say | 11 |
| Single, potentially | 19 |
| Single, in Strasbourg | 21 |
| Single, in Paris | 16 |
| Single, in Fenway Park | 22 |
| Single, in a ballpark | 21 |
| Single, for one: Abbr. | 22 |
| Single, for one | 15 |
| Single, e.g. | 12 |
| Single, double, or triple | 25 |
| Single's opposite | 21 |
| Single's greenery? | 22 |
| Single's flip side, often | 29 |
| Single's bloom? | 19 |
| Single __: tournament type | 26 |
| Single __: Olympics event | 25 |
| Single year's record | 24 |
| Single word on the last line of a paragraph, say | 48 |