Crudity

His speech was full of crudity and lacked refinement.

The lack of research in the student's paper resulted in a crudity of content.

His crudity manners were evident from the way he spoke to the waiter at the restaurant.

The restaurant's decor was criticized for its crudity and lack of attention to detail.

The lack of manners displayed by the guests was considered a crudity by the host.

His crudity at the party offended many guests.

His crudity in social situations made him feel out of place at the fancy dinner party.