to do clumsily and awkwardly; botch

He bungled the job.

to perform or work clumsily or inadequately

He is a fool who bungles consistently.

a bungling performance.

that which has been done clumsily or inadequately.

verb

do well , fix , manage , succeed

verb

ball up , boggle , botch , butcher * , drop the ball , err , flub , foul up * , fudge * , fumble , goof up * , gum up , louse up , make a mess of , mar , mess up , miscalculate , mishandle , mismanage , muff * , ruin , screw up * , spoil , blunder , bumble , flounder , fudge , limp , shuffle , stagger , stumble , foul up , muddle , muff , butcher , foozle , goof , misdo , mistake , slip

noun

bull , foozle , fumble , muff , stumble