Crudity

The essay's crudity was evident in its grammatical errors and lack of coherence.

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

The student's essay showed a certain crudity in its organization and structure.

His crudity at the party offended many guests.

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

The crudity of his jokes offended many people.