bungling, clumsy, fumbling, incompetent (adj)

showing lack of skill or aptitude

"a bungling workman"; "did a clumsy job"; "his fumbling attempt to put up a shelf"

bumbling, bungling, butterfingered, ham-fisted, ham-handed, handless, heavy-handed, left-handed (adj)

lacking physical movement skills, especially with the hands

"a bumbling mechanic"; "a bungling performance"; "ham-handed governmental interference"; "could scarcely empty a scuttle of ashes, so handless was the poor creature"- Mary H. Vorse

bungling (Noun)

An act or acts of incompetence or ineptitude.

bungling (Adjective)

incompetent or inept