inefficacious Synonyms

ineffective sidelined unfruitful unfit unable thwarted sterile sisyphean purposeless profitless powerless pointless unsuccessful useless vain unrewarding uneffective unproductive counterproductive to no purpose in vain dysfunctional unavailing unprofitable worthless weak otiose null nugatory hopeless futile fruitless forceless feeble feckless failed empty effectless bootless barren idle impotent lame inservient inoperative inept inefficient inefficaciously ineffectual incompetent