Sentence:  That thin, colorless protestantism of her fathers had faded into a nameless <WSD>moralism</WSD>. She had no Christ before whom she could pour her adoration and love. Instead, she had taken to herself a man; and now the clay of his being was crumbling in her hands.... 
Meaning of the word marked with <WSD> tags:  Religious practice that focuses on morality while placing little emphasis on doctrine or the metaphysical; adherence to a system of morality with little or no reference to religion.