| A royal Stuart | 14 |
| A RR's feline mascot | 24 |
| A Rubinstein | 12 |
| A rudderfish | 12 |
| A rug | 5 |
| A rule _____ | 12 |
| A ruler before the revolution | 29 |
| A ruler may have them | 21 |
| A ruminant | 10 |
| A run from the law | 18 |
| A rung on the ladder of life | 28 |
| A runner may break it | 21 |
| A runner may enter one | 22 |
| A runner might enter it | 23 |
| A runner who loses may still win it | 35 |
| A runner, not a flier | 21 |
| A rushing sound | 15 |
| A Russian anarchist | 19 |
| A Russian chess master | 22 |
| A Russian people | 16 |
| A Ryder | 7 |
| A S. African people | 19 |
| A Saarinen | 10 |
| A Saarinen and namesakes | 24 |
| A sac fly earns one | 19 |
| A sacred scripture | 18 |
| A sad thing to be in | 20 |
| A sad way to grow | 17 |
| A safari quarry | 15 |
| A safe bet for having a ball indoors | 36 |
| A safety is two of these: Abbr. | 31 |
| A SAGITTARIAN | 13 |
| A Sahara nation | 15 |
| A sail | 6 |
| A saint he ain't | 20 |
| A saison | 8 |
| A salad | 7 |
| A salamander | 12 |
| A Salieri work opened it in 1778 | 32 |
| A salix | 7 |
| A salmon | 8 |
| A salmon that has spawned | 25 |
| A salt of a water-insoluble acid | 32 |
| A salt of potassium | 19 |
| A salty lake | 12 |
| A salutation | 12 |
| A Sam who damned the Stamp Act | 30 |
| A samara source | 15 |
| A Samoan capital | 16 |
| A sample? What's the sense? | 31 |
| A sandwich filler | 17 |
| A sandwich, for short | 21 |
| A satellite dish's size is often compared to it | 51 |
| A satellite may be kept in it | 29 |
| A satellite of Jupiter | 22 |
| A satellite of Uranus | 21 |
| A sauce source | 14 |
| A saucer, say | 13 |
| A savory jelly | 14 |
| A sawbuck has 10 | 16 |
| A sax has one | 13 |
| A saxophone has one | 19 |
| A saxophonist | 13 |
| A scandal often ruins one | 25 |
| A Scandinavian | 14 |
| A scanning | 10 |
| A scarab beetle with a heart-shaped mark on its wing covers was named after this adventurer | 91 |
| A scene of Caesar's conquests | 33 |
| A sch. | 6 |
| A school might be found using it | 32 |
| A school mo. | 12 |
| A school of _____ | 17 |
| A schooner has two | 18 |
| A Schumann | 10 |
| A schussboomer uses them | 24 |
| A sci-fi writer's award | 27 |
| A sci. | 6 |
| A sci. degree | 13 |
| A science | 9 |
| A science: Abbr. | 16 |
| A scion of Shem | 15 |
| A score | 7 |
| A score has two | 15 |
| A score of fins | 15 |
| A score, barely | 15 |
| A scoreboard listing | 20 |
| A scoreless inning makes it go down | 35 |
| A SCORPIO | 9 |
| A Scot and his relatives | 24 |
| A Scot has one | 14 |
| A Scott | 7 |
| A Scottish Highlander | 21 |
| A Scottish isle | 15 |
| A Scottish loch, for example | 28 |
| A scoundrel on the south side of Arkansas peak (6) | 50 |
| A Scout | 7 |
| A scout may do a good one | 25 |
| A Scrabble tile | 15 |
| A scream | 8 |
| A screech may accompany it | 26 |