— indefensibility, indefensibleness , n. — indefensibly , adv.
/in'di fen"seuh beuhl/ , adj.
1. not justifiable; inexcusable: indefensible behavior.
2. incapable of being protected or defended against attack: an indefensible town.
3. incapable of being defended against criticism or denial; untenable: indefensible argument.
[ 1520-30; IN- 3 + DEFENSIBLE ]
Syn. 2. vulnerable, defenseless, unprotected.