| Clue | Source | Date |
|---|---|---|
| Increased in extent or intensity | ||
| Took higher, ... the complaint | ||
| Diesel centre state took in deuterium and developed rapidly (9) | ||
| Poor deal with a sect increased in scale | The Telegraph Cryptic | 20 Apr 2023 |
| Stepped up | The Telegraph Quick | 02 Jun 2022 |
| Heated up | Wall Street Journal | 02 Sep 2020 |
| Increased rapidly | Thomas Joseph | 23 Jul 2015 |
| Stepped up | ||
| Stepped up | ||
| Made a bigger war. |