abler Antonyms

more unprofessional less expert less dextrous less dexterous less competent more inept more inefficient more ineffectual more ineffective more incapable more amateurish less practiced less practised less proficient more unpracticed more unequipped more idiotic more unqualified less virtuoso less trained less skillful less skilled less skilful less qualified more amateur less efficient less effective less learned less intelligent less ingenious less experienced less cunning less brilliant less knowing ignoranter slower lamer more unintelligent more unschooled more mediocre more untrained more inexpert more inexperienced more inadequate more hopeless less capable less artful less adept less accomplished clumsier