Synonyms and related words :
amateur, clumsy, crude, dabbling, defective, deficient, dilettante, dilettantish, faulty, flawed, green, half-assed, half-baked, half-cocked, immature, jackleg, raw, sciolistic, semiskilled, shallow, smattering, sophomoric, superficial, unaccomplished, unbusinesslike, uncoached, unendowed, unfinished, ungifted, uninitiated, unpolished, unprepared, unprimed, unprofessional, unschooled, unskilled, untalented, untaught, untrained, untutored,