| CATATONIC | In a rigid stupor |
| SEAURCHIN | An echinoderm with a globular body enclosed in a rigid spiny test, occurring in shallow marine waters (3,6) |
| STIFFLY | In a rigid way |
| SOLIDLY | Idyll so wrong, in a rigid way (7) |
| MOULDINGS | Objects which have been shaped as liquid in a rigid frame and then hardened (9) |
| SPLINT | An overlapping metal strip in medieval armour; a slip of wood for lighting a fire; a lath; or, a rigid support for a broken bone (6) |
| CAST | To contrive or send forth a magical spell; a rigid plaster of Paris shell; the dramatis personae of a drama or play; a throw of dice or anything else; or, a group of bees, crabs or falcons (4) |
| PROP | A rigid support as a beam, a pole |
| CHOP | A downward blow with an axe or a rigid outstretched hand; or, a small, thick cut of lamb or other meat (4) |
| FRAME | A rigid surround of a painting or a door; or, the skeleton of anything (5) |
| DRAFT | A design drawn first on a rigid floating platform |
| HARDTOP | Car resembling a convertible but with a rigid metal or plastic roof, sometimes detachable (7) |
| TUBE | Informal word for the London Underground; or, a flexible container for toothpaste or a rigid one for Smarties, for example (4) |
| POST | Royal Mail providing a rigid support for a garden fence, perhaps (4) |
| PLASTERCAST | A rigid casing made to protect a broken bone while it heals (7,4) |
| IRONLUNG | A rigid case once fitted over a patient's body to aid artificial respiration and combat polio (4,4) |
| BANGLE | From Hindi for "glass", a rigid bracelet, such as any one of those forming a set or "chooda" worn by an Indian bride on her wedding day (6) |
| CATAMARAN | A sailing vessel with twin hulls held parallel by a rigid framework (9) |
| RAMROD | Marks, right, in peculiar road of a rigid nature (6) |
| ASTERN | A rigid back |
