heavily fortified
- fortifiedMade more resistant
- strongholdFortified place of defense
- citadelFortified urban stronghold
- bastionFortified defensive position
- rampartsProtective fortress walls
impregnable · garrison · battlements · bunker · armored · defended · fortress · castle · walls · moat · barricades · watchtower · siege · reinforced · guarded · turrets · protected · barbed wire
defensive strength
heavily fortifiedundefended
Lacking protective measures
unprotected · defenseless · vulnerable · unguarded · exposed
accessibility
heavily fortifiedaccessible
Able to be reached
unobstructed · penetrable · porous · welcoming · unbarred