I wish to represent myself to her through you, because she has a great esteem and respect for her cousin John; and I know you will soften the course I take, even though you disapprove of it; and— and in short," said Richard, who had been hesitating through these words, "I—I don’t like to represent myself in this litigious, contentious, doubting character to a confiding girl like Ada," I told him that he was more like himself in those latter words than in anything he had said yet.
There are no more uses of "litigious" in the book.
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We live in a litigious society.
"no more than a gadfly and an exploiter of the court system," and "the most litigious inmate in the system."
Rebecca Skloot -- The Immortal Life of Henrietta Lacks