Use 'defensible' when discussing strategic positions or safety measures in various contexts. The fortress had a defensible advantage due to its high walls.
Pro Tip 2/3
Physical Protection
'Defensible' often involves physical attributes that make a place secure. They chose a defensible location for the campsite, surrounded by cliffs.
Pro Tip 3/3
Figurative Use
Can be used figuratively to describe situations that are maintainable against criticism or attack. Her thesis was defensible despite the controversial topic.