Crudity

His speech was full of crudity and lacked refinement.

The crudity of the software was evident in its numerous glitches.

The software's user interface had a certain crudity that made it difficult to use.

The engineer's plan was rejected due to the crudity of its design.

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

The roads in the rural areas were full of crudity potholes and bumps.

The car's design was characterized by crudity, with basic features and no frills.