cumbersome

(s) difficult to handle or use especially because of size or weight
- a cumbersome piece of machinery
- cumbrous protective clothing
cumbrous,
(s) 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?
ill-chosen, inapt, inept, clumsy, awkward,

cumbrous ill-chosen inapt inept clumsy awkward

cumbersomeness