Crudity

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 coach reprimanded the player for his crudity towards the referee.

The team lost the game due to their crudity in executing their strategy.

The team's performance was marred by the crudity of their strategy.

The cake was a crudity creation, with lumps of frosting and uneven layers.