Meanings of occasional coarseness in English

A good deal has been said of the occasional coarseness of Kipling's pages.

But she doesn't stint on nudity and explicit sex or shy away from occasional coarseness.

With all his occasional coarseness he was capable of high thought, and had produced poems which showed a truly poetic vein.

Nevertheless, in spite of his occasional coarseness and even brutality, the usher was a painstaking, honest fellow, who did his duty very energetically.

Avoiding the bombast, the occasional coarseness of rougher natures, the self- esteem, and the dictatorial manner, she yet says no, when she means no.