Crudity

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

The lack of research in the student's paper resulted in a crudity of content.

The lack of manners displayed by the guests was considered a crudity by the host.

His crudity in social situations made him feel out of place at the fancy dinner party.

The amateur carpenter's table had a crudity design, with uneven legs and rough edges.

The gardening project was a crudity mess, with weeds and wildflowers growing haphazardly.