destructive negative unproductive nonproductive unhelpful useless vain worthless fruitless futile hurting impotent incapable injurious disadvantageous ineffectual ineffective unprofitable pointless valueless inefficient weak purposeless inoperative trivial unsuccessful bad meaningless unavailing unusable unfruitful unuseful abortive profitless impractical unimportant counterproductive wasteful inadequate dysfunctional incompetent hopeless inconsequential stupid unserviceable inept pathetic nonfunctional impracticable unworkable unfavorable unfavourable unnecessary unconstructive adverse inutile unworthy infertile unsuitable inappropriate improper irrelevant insignificant negligible immaterial inconsiderable unfitting trifling frivolous silly nonessential nugatory expendable minor petty little paltry minute obstructive inefficacious feckless unskilled uncreative slow sterile lazy barren empty harmful detrimental doubtful explicit express expressed spoken stated voiced direct explicated open