1. (noun) an attack that penetrates into enemy territory

• penetration

1. (noun) the act of entering some territory or domain (often in large numbers)

• entering
• entrance
• entry
• incoming
• ingress

2. (noun) an attack that penetrates into enemy territory

• attack
• onrush
• onset
• onslaught

3. (noun) the mistake of incurring liability or blame

• error
• fault
• mistake

1. (noun) an attack that penetrates into enemy territory

• breakthrough
• foray
• maraud
• raid
• infiltration
• interpenetration
• invasion

1. (noun) the mistake of incurring liability or blame

• incur