| Clue | Source | Date |
|---|---|---|
| Tenses up (8) | ||
| Rigidities | ||
| Reinforces attacks made over the marshlands (8) | ||
| If sent SF by mistake, stops relaxing (8) | ||
| Hardens to small outburst of anger over The Marshes | ||
| Becomes rigid | Universal | 20 Feb 2019 |
| Becomes rigid | ||
| Makes more rigid | USA Today | 28 Dec 2018 |
| Makes more rigid | ||
| Disagreement in French between sons gets harder | ||
| Reason in short supply -- argument within becomes hardened | The Telegraph Cryptic | 02 Dec 2016 |
| Makes resolute attacks going round Cambridge area | ||
| Becomes taut | ||
| Sets |