not justifiable; inexcusable: indefensible behavior.
incapable of being protected or defended against attack: an indefensible town.
incapable of being defended against criticism or denial; untenable: indefensible argument.
in·de·fen·si·bil·i·ty, in·de·fen·si·ble·ness, noun
2. vulnerable, defenseless, unprotected.
is always a great word to know.
So is flibbertigibbet. Does it mean: