difficult to handle or use especially because of size or weight
"a cumbersome piece of machinery"
"cumbrous protective clothing"
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?"
Burdensome or hindering, as a weight or drag; vexatious
"The new safety regulations are so cumbersome that they slow down every single inspection at the factory."