| Require bed rest, perhaps | 25 |
| Require compliance with | 23 |
| Require doctoring, e.g. | 23 |
| Require runners to rerun? | 25 |
| Require salting, maybe | 22 |
| Require the Heimlich maneuver | 29 |
| Require water to go out? | 24 |
| Required consolation, perhaps | 29 |
| Required H.S. course, often | 27 |
| Required investment of a kind | 29 |
| Required reading for 007 | 24 |
| Required reading, at times | 26 |
| Required to serve, maybe | 24 |
| Requirement for a 10th inning | 29 |
| Requirement for a hand, say | 27 |
| Requirement for absolution | 26 |
| Requirement for access, maybe | 29 |
| Requirement for curlers | 23 |
| Requirement for e-commerce | 26 |
| Requirement for e-tailing | 25 |
| Requirement for MS. return | 26 |
| Requirement for some games | 26 |
| Requirement for some searches | 29 |
| Requirement for surprise | 24 |
| Requirement to buy on eBay | 26 |
| Requirement to go to Togo | 25 |
| Requirement, for short | 22 |
| Requirements for some badges | 28 |
| Requirements for some degrees | 29 |
| Requiring a cash outlay | 23 |
| Requiring a current to run | 26 |
| Requiring a jump, perhaps | 25 |
| Requiring a lot of attention | 28 |
| Requiring a retraction | 22 |
| Requiring a tenth inning | 24 |
| Requiring an adult escort | 25 |
| Requiring bicolored glasses | 27 |
| Requiring binoculars to see | 27 |
| Requiring change, briefly | 25 |
| Requiring cracking, perhaps | 27 |
| Requiring extra innings | 23 |
| Requiring extra postage, say | 28 |
| Requiring immediate action | 26 |
| Requiring immediate attention | 29 |
| Requiring little effort | 23 |
| Requiring little water | 22 |
| Requiring many candles | 22 |
| Requiring medical attention | 27 |
| Requiring more support | 22 |
| Requiring much thought | 22 |
| Requiring no effort to take | 27 |
| Requiring no preparation | 24 |
| Requiring no transformer | 24 |
| Requiring scuba gear, say | 25 |
| Requiring slower driving | 24 |
| Requiring sudden death | 22 |
| Requiring superhuman effort | 27 |
| Requiring the least driving | 27 |
| Requiring three hankies, say | 28 |
| Requiring use of both hands | 27 |
| Requisite committee attendees | 29 |
| Requisite for a good R.N. | 25 |
| Requisites for Gibson girls | 27 |
| Reroute a motorcade, e.g. | 25 |
| Rescue dog, for example | 23 |
| Rescue from destruction | 23 |
| Rescue mission (abbr.) | 22 |
| Rescue mission, briefly | 23 |
| Rescue mission, for short | 25 |
| Rescue operation, for short | 27 |
| Rescue shelter resident | 23 |
| Rescue ship: Apr. 15, 1912 | 26 |
| Rescue truck attachment | 23 |
| Rescue unit, for short | 22 |
| Rescue, with "out" | 28 |
| Rescue-squad member: Abbr. | 26 |
| Rescued damsel's cry | 24 |
| Rescued damsel's sigh | 25 |
| Rescued one, hopefully | 22 |
| Rescuee's declaration | 25 |
| Rescuee, in fairy tales | 23 |
| Rescuer at some crashes | 23 |
| Rescuer of Andromeda, in myth | 29 |
| Rescuer of Odysseus, in myth | 28 |
| Rescuer of Princess Peach | 25 |
| Rescues for broken-down cars | 28 |
| Rescues from the pound, say | 27 |
| Rescues, with "out" | 29 |
| Research before buying | 22 |
| Research facilities: Abbr. | 26 |
| Research facility (Abbr.) | 25 |
| Research facility: Abbr. | 24 |
| Research foundation, often | 26 |
| Research funding sources | 24 |
| Research org. in Geneva | 23 |
| Research paper evaluator | 24 |
| Research room, for short | 24 |
| Research site, Los ___ | 22 |
| Research that may be outdoors | 29 |
| Research Triangle city | 22 |