Source : Webster's Revised Unabridged Dictionary (1913)

Bungle \Bun"gle\, v. i. [imp. & p. p. {Bungled}; p. pr. & vb. n.
   {Bungling}.] [Prob. a diminutive from, akin to bang; cf.
   Prov. G. bungen to beat, bang, OSw. bunga. See {Bang}.]
   To act or work in a clumsy, awkward manner.

Bungle \Bun"gle\, v. t.
   To make or mend clumsily; to manage awkwardly; to botch; --
   sometimes with up.

         I always had an idea that it would be bungled. --Byron.

Bungle \Bun"gle\, n.
   A clumsy or awkward performance; a botch; a gross blunder.

         Those errors and bungles which are committed.
                                                  --Cudworth.

Source : WordNet®

bungle
     n : an embarrassing mistake [syn: {blunder}, {blooper}, {bloomer},
          {foul-up}, {fuckup}, {flub}, {botch}, {boner}, {boo-boo}]

bungle
     v 1: make a mess of, destroy or ruin; "I botched the dinner and
          we had to eat out"; "the pianist screwed up the
          difficult passage in the second movement" [syn: {botch},
           {bumble}, {fumble}, {botch up}, {muff}, {blow}, {flub},
           {screw up}, {ball up}, {spoil}, {muck up}, {fluff}, {bollix},
           {bollix up}, {bollocks}, {bollocks up}, {bobble}, {mishandle},
           {louse up}, {foul up}, {mess up}, {fuck up}]
     2: spoil by behaving clumsily or foolishly; "I bungled it!"