| LOONINESS | Such folly, sending numbers into battle in WW1 |
| OVERTHETOP | Into battle in World War I, which is outrageous (4,3,3) |
| IMBED | Send into battle, in a way |
| ADD | Combine numbers into a sum |
| LUNACY | Any clue is pointless and wrong for such folly (6) |
| IMPRUDENCE | So, who might you be, rash lass, to render such folly? (10) |
| EMBOSS | Raise design, sending number one back to stud (6) |
| MARINER | Seaman initially involved in WW1 battle over river |
| DESERTRAT | British soldier fighting in North Africa in WW1 (6,3) |
| MARINE | A soldier, one taking part in WW1 battle |
| JUTLAND | Only major battle between British and German fleets in WW1 (7) |
| ARABIA | T.E. Lawrence became known as Lawrence of ... due to his role in the Arab Revolt and the Sinai and Palestine Campaign in WW1 (6) |
| JOURNEYSEND | R.C. Sherriff's 1928 play set in the trenches near Aisne in WW1 (8,3) |
| TRENCHWARFARE | Combat on Western Front in WW1 (6,7) |
| PUTTEE | Legging worn by soldier in WW1 (6) |
| HINDENBURG | 'Rheinbund' assembled by German commander in WW1 |
| GENERATION | Officer shortly can conceal love for what was lost in WW1 |
| TRENCHANT | Keen soldier in WW1 battlefield? |
| LEAVINGFRANCE | Withdrawing from a country involved in WW1 (7,6) |
| NAPOO | No OAP could show it was good for nothing in WW1 (5) |