Example : A gawky lad with long ungainly legs.
Clumsy fingers.
What an ungainly creature a giraffe is.
Heaved his unwieldy figure out of his chair.

Synonyms : clunky, gawky, ungainly, unwieldy

Example : An awkward prose style.
A clumsy apology.
His cumbersome writing style.
If the rumor is true, can anything be more inept than to repeat it now?.

Synonyms : awkward, cumbersome, ill-chosen, inapt, inept

Example : An awkward bundle to carry.
A load of bunglesome paraphernalia.
Clumsy wooden shoes.
The cello, a rather ungainly instrument for a girl.

Synonyms : awkward, bunglesome, ungainly

Example : A bungling workman.
Did a clumsy job.
His fumbling attempt to put up a shelf.

Synonyms : bungling, fumbling, incompetent