Crudity

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

His crudity at the party offended many guests.

The new recruit's crudity in combat led to his quick defeat.

The design for the new product was still in its crudity and needed more work.

The customer complained about the crudity of the design of the product.

The hand-drawn map had a certain crudity charm, with wobbly lines and uneven lettering.