| AD | Anno Domini (After Christ) |
| allegiance | loyalty to something/someone |
| annexed | joined |
| architect | someone who designs buidling |
| armed forces | army, navy, air force |
| arrested | taken to the Police sation (nicked) |
| arson | setting fire to a buidling |
| assault | using force against soemone |
| bank holiday | oficcial day off |
| baron | someone with ranks of the British nobility |
| BC | Before Christ |
| bishop | A senior member of the clergy in the Christian religion |
| boom | A sharp rise in something |