UNWIELDY
gawky, clumsy, clunky, ungainly, unwieldy
(adjective) lacking grace in movement or posture; “a gawky lad with long ungainly legs”; “clumsy fingers”; “what an ungainly creature a giraffe is”; “heaved his unwieldy figure out of his chair”
unwieldy
(adjective) difficult to work or manipulate; “unwieldy rules and regulations”
unwieldy, unmanageable
(adjective) difficult to use or handle or manage because of size or weight or shape; “we set about towing the unwieldy structure into the shelter”; “almost dropped the unwieldy parcel”
Source: WordNet® 3.1
Etymology
Adjective
unwieldy (comparative unwieldier, superlative unwieldiest)
(obsolete) Lacking strength; weak.
(obsolete) Ungraceful in movement.
Difficult to carry, handle, manage or operate because of its size, weight, shape or complexity.
Badly managed or operated.
Source: Wiktionary
Un*wield"y, a.
Definition: Not easily wielded or carried; unmanageable; bulky; ponderous.
"A fat, unwieldy body of fifty-eight years old." Clarendon.
– Un*wield"i*ly, adv.
– Un*wield"i*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition