INCONSISTENT a.
formity of sentiment, steadiness to principle, etc.; unequal; fickle; changeable. Ah, how unjust to nature, and himself, Is thoughtless, thankless, inconsistent man. Young.
INDEFENSIBLE n.
Not defensible; not capable of being defended, maintained, vindicated, or justified; unjustifiable; untenable; as, an indefensible fortress, position, cause, etc. Men find that something can be said in favor of what, on the very proposal, they thought utterly indefensible. Burke.