Crudity

His speech was full of crudity and lacked refinement.

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.

His crudity at the party offended many guests.

The crudity of the tools used by the ancient civilization was a testament to their ingenuity.

The historian noted the crudity of the weapons used in the ancient battle.