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 conversation took a turn towards crudity, making everyone uncomfortable.

His crudity at the party offended many guests.

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

The cake was a crudity creation, with lumps of frosting and uneven layers.