These thoughts supported my spirits, while I pursued my undertaking with unremitting ardour.
But I was in reality very ill, and surely nothing but the unbounded and unremitting attentions of my friend could have restored me to life.
Chapter 20 I sat one evening in my laboratory; the sun had set, and the moon was just rising from the sea; I had not sufficient light for my employment, and I remained idle, in a pause of consideration of whether I should leave my labour for the night or hasten its conclusion by an unremitting attention to it.
There are no more uses of "unremitting" in the book.
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Lacking food, I suffered the unremitting demands of hunger.