·vi To act or work in a clumsy, awkward manner.
II. Bungle ·noun A clumsy or awkward performance; a botch; a gross blunder.
III. Bungle ·vt To make or mend clumsily; to manage awkwardly; to Botch;
— sometimes with up.
To perform a duty in a slovenly manner. ...
The Sailor's Word-Book