Synonyms of 'amateurish'

amateur, clumsy, crude, defective, deficient, dilettante, faulty, flawed, Green, half-assed, half-baked, half-cocked, immature, jackleg, raw, shallow, smattering, sophomoric, superficial, unaccomplished, unbusinesslike, unendowed, unfinished, uninitiated, unpolished, unprepared, unprimed, unprofessional, unschooled, unskilled, untalented, untaught, untrained, untutored