unwieldy (adjective) unwieldy: awkward, bulky
Sinonime: burdensome,
clumsy,
cumbersome, cumbrous, encumbering,
gross,
hefty,
inconvenient, lumbering,
massive,
onerous,
ponderous,
uncontrollable, ungainly, unhandy, unmanageable, weighty
Antonime: convenient,
handy