Crudity

His speech was full of crudity and lacked refinement.

The writer's crudity in his choice of words made the text difficult to read.

His handwriting was illegible and showed crudity.

The crudity of the idea was apparent in his poorly written proposal.

The novice writer's work was criticized for its crudity of style.

The writer's crudity was evident in the cliched phrases and lack of originality in their work.