"clumsiest" in the adjective sense
1. gawky, clumsy, clunky, ungainly, unwieldy
lacking grace in movement or posture
"a gawky lad with long ungainly legs"
"what an ungainly creature a giraffe is"
"heaved his unwieldy figure out of his chair"
2. awkward, clumsy, cumbersome, inapt, inept, ill-chosen
not elegant or graceful in expression
"an awkward prose style"
"a clumsy apology"
"his cumbersome writing style"
"if the rumor is true, can anything be more inept than to repeat it now?"
3. awkward, bunglesome, clumsy, ungainly
difficult to handle or manage especially because of shape
"an awkward bundle to carry"
"a load of bunglesome paraphernalia"
"clumsy wooden shoes"
"the cello, a rather ungainly instrument for a girl"
4. bungling, clumsy, fumbling, incompetent
showing lack of skill or aptitude
"a bungling workman"
"did a clumsy job"
"his fumbling attempt to put up a shelf"
Source: WordNet® (An amazing lexical database of English)
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