The uncouth faces passed him two by two, stained yellow or red or livid by the sea, and, as he strove to look at them with ease and indifference, a faint stain of personal shame and commiseration rose to his own face.
There are no more uses of "uncouth" in the book.
Show samples from other sources
Jane spat into the fire, the most uncouth, ill-mannered act of her life.
Margaret Peterson Haddix -- Uprising
Most of them uncouth, although very few were unearned.