| Word | Meaning |
|---|---|
| Blitz | The German bombing campaign against Britain, 1940-41. |
| blackout | Wartime measure requiring all lights to be hidden at night to prevent enemy aircraft targeting towns. |
| espionage | The practice of spying to obtain secret information. |
| evacuation | The movement of people from dangerous areas during the war. |
| gorilla | A powerfully built great ape, the largest living primate. |