He remembered the shyness he had felt at approaching her in his uncouth clothes, and then the lighting up of her face, and the way she had broken through the group to come to him with a cup in her hand.
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.