| Clue | Source | Date |
|---|---|---|
| Seethe (Norway) | New York Times | 14 Aug 2022 |
| Become angry sunbathing? | Wall Street Journal | 20 Nov 2021 |
| Get increasingly steamed | The Washington Post | 05 Dec 2018 |
| Get increasingly steamed | LA Times Daily | 05 Dec 2018 |
| See 29-Across | New York Times | 25 Oct 2018 |
| See 29-Across | ||
| Get increasingly steamed | ||
| Get increasingly angry | ||
| Smolder | ||
| Consume by degrees. |