Meanwhile, the merchants and ship-masters, the spruce clerks and uncouth sailors, entered and departed; the bustle of his commercial and Custom-House life kept up its little murmur round about him; and neither with the men nor their affairs did the General appear to sustain the most distant relation.
The pathway among the woods seemed wilder, more uncouth with its rude natural obstacles, and less trodden by the foot of man, than he remembered it on his outward journey.
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.