| WWI | The "war to end all all wars", so they thought, initially |
| TEKANAWA | Singer rejected conscious thought initially to capture a note (2,6) |
| STRAIGHT | Frank is right about answer after serious thought, initially (8) |
| DONATE | Gift made without a thought, initially (6) |
| FIGHTTOAFINISH | War to end all wars (5,2,1,6) |
| WORLDWARI | *War to end all wars? |
| ENDALL | World War I was said to be "the war to __ ___ wars". (3,3) |
| ARMAGEDDON | Prepare old academic for war to end wars |
| LASTSCENE | The tantrum to end all tantrums, at close of play (4,5) |
| FINAL | The round to end all rounds (5) |
| FINALFORAY | Attack that brings the war to a close? |
| HOTWATER | The war to spread trouble for those in it (3,5) |
| NOCTURNAL | New court about to end all regularly at night (9) |
| OLEARY | She had a cow to end all cows |
| BIAS | A prejudice to end all phobias (4) |
| DEATHKNELL | This will end all the hopes, end all the confusion about king |
| HADRIANSWALL | Solid defence, but in all wars had to struggle |
| REDCOATS | British soldiers during the Revolutionary War, so nicknamed for their colorful outerwear |
| SOARE | "__ they all, all honourable men": "Julius Caesar" |
| ACROSSTHEBOARD | Applying to all, all-inclusive (6-3-5) |