- Defended
- Maintained
- Maintained (law)
- Sustained
- imp. & p. p. of Uphold.
- Aerial bombing
- All-out effort
- Attack from the air
- Bombard
- Police crackdown
- Sustained bombing
- Swift attack (coll)
- Attack on citadel
- Attack on fort
- Beleaguerment
- Blockade
- Encirclement, blockade
- Military blockade
- Persistent attack
- Artillery bombardment
- Bombard with anger at the pub?
- Bombard with anger in the pub?
- Bombardment
- Heavy artillery fire
- Heavy continuous gunfire
- sustained attack