cumbersome in WordNet English dictionary

1. 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?"
   awkward  clumsy  cumbersome  inapt  inept  ill-chosen 
   
2. difficult to handle or use especially because of size or weight
   "a cumbersome piece of machinery"; "cumbrous protective clothing"
   cumbersome  cumbrous