Bungle

Part of speech: noun (n.)

A clumsy or awkward performance; a botch; a gross blunder. Those errors and bungles which are committed. Cudworth.

Part of speech: verb (v.)

To act or work in a clumsy, awkward manner.

Part of speech: verb (v.)

To make or mend clumsily; to manage awkwardly; to botch; -- sometimes with up. I always had an idea that it would be bungled. Byron.