Unwieldy

1. 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”

   Similar: unmanageable

2. adjective

   lacking grace in movement or posture

   “a gawky lad with long ungainly legs”

   Similar: gawky, clumsy, clunky, ungainly

3. adjective

   difficult to work or manipulate

   “unwieldy rules and regulations”