Adjective
1. 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"2. 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"