He has the self-confidence of one who has made money, and something of the truculence of one who has made it in a brutalizing struggle, his civility having under it a perceptible menace that he has other methods in reserve if necessary.
There are no more uses of "truculent" in the book.
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My friends had assembled again, a far more somber, truculent group than before.
Pat Conroy -- The Water is Wide
His only weapons against her were silence, truculence; he cultivated an occasional brooding intensity.