unwieldy, unmanageable -- (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")
unwieldy -- (difficult to work or manipulate; "unwieldy rules and regulations")
gawky, clumsy, clunky, ungainly, unwieldy -- (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")
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