Crudity

The prototype for the new machine was still in a state of crudity.

The crudity of the model airplane's design made it difficult to fly.

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

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.