Meanings of insatiate thirst in English

Woman's vanity is a development of her insatiate thirst for love.

I cannot help asking, Why all this pains, to clear the British nation of ambition, perfidy, and the insatiate thirst of war?

When the insatiate thirst for dollars, dollars, dollars, has subsided, then the American may justly rear his head as an aspirant for historic fame.

I resorted then, as many times since, to every means in order to get that which would, and yet would not, satisfy my insatiate thirst.

Insatiate thirst for knowledge, and boundless affection for Adrian, combined to keep both my heart and understanding occupied, and I was consequently happy.