He had gone to his father and told him one vexatious affair, and he had left another untold: in such cases the complete revelation always produces the impression of a previous duplicity.
Although her duplicity in the affair of the house had exceeded what he knew, and had really hindered the Plymdales from knowing of it, she had no consciousness that her action could rightly be called false.
There are no more uses of "duplicity" in the book.
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I trust her. Duplicity isn’t in her nature or her tool kit.
I was stunned by her duplicity. I really thought she loved me.