THESAURUS
counterproductive
baleful, baneful, barren, bootless, choking, constrictive, contrary, corroding, corrosive, corrupting, corruptive, crosswise, damaging, deadly, deleterious, detrimental, disadvantageous, disserviceable, distressing, effete, empty, etiolated, fatuitous, fatuous, feckless, fruitless, futile, harmful, hindering, hindersome, hurtful, in the way, inadequate, inane, ineffective, ineffectual, inefficacious, inhibiting, inhibitive, injurious, inoperative, interrupting, interruptive, invalid, lethal, malefic, malevolent, malign, malignant, mischievous, noisome, noxious, nugacious, nugatory, obstructing, obstructive, obstruent, occlusive, of no force, ominous, pernicious, poisonous, prejudicial, repressive, restrictive, scatheful, sterile, stifling, strangling, suppressive, toxic, troublesome, unavailing, useless, vain, venenate, veneniferous, venenous, venomous, vicious, virulent
