Synonyms for bungler

fumbler, botcher, blunderer, flounderer, mismanager, muddler, spoiler, incompetent, numskull, featherbrain, harebrain, dolt, blockhead, scatterbrain, airhead, dunce, clod, ignoramus, idiot, duffer, addlebrain, gawk, donkey, marplot, butterfingers, lubber, bumbler, bonehead*, screw-up*, rattlehead*, clumsy oaf*, lummox*, bull in a china shop*, butcher*, schlemiel*, blunderhead*, klutz*, block*, muffer*, hacker*, looby*, stumblebum*, turkey*, doofus*; see also fool 1.