indefensible

1. ADJ If you say that a statement, action, or idea is indefensible, you mean that it cannot be justified or supported because it is completely wrong or unacceptable. 站不住脚的

She described the new policy as "morally indefensible."

她认为新政策“在道德上是站不住脚的”。

2. ADJ Places or buildings that are indefensible cannot be defended if they are attacked. 无法防御的

The checkpoint was abandoned as militarily indefensible. 检查站因为军事上无法防御而被舍弃。