ungainly

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”

difficult to handle or manage especially because of shape

• “an awkward bundle to carry”
• “a load of bunglesome paraphernalia”
• “clumsy wooden shoes”
• “the cello, a rather ungainly instrument for a girl”