| Clue | Source | Date |
|---|---|---|
| Does it blow up above the clouds? (4,9) | ||
| Powerful incendiary (4,9) | ||
| Dynamite, nitroglycerine etc (4,9) | ||
| Not necessarily something that blows up a plane (4,9) | ||
| Dynamite, for example (4,9) | ||
| He initially produces trinitrotoluene (4,9) | ||
| TNT, say? | The Guardian Quick | 20 Mar 2023 |
| HE in full | The Times Concise | 10 Jun 2019 |
| Eg, gelignite | The Times Concise | 21 May 2019 |
| It's very destructive being off one's head and volatile | Irish Times Crosaire | 22 Apr 2017 |
| Nitroglycerin, for example | ||
| TNT, for example |