INEFFECTIVE

adj. 1 unproductive, unfruitful, bootless, idle, vain, useless, ineffectual, inefficacious, inoperative, non-functioning, inadequate, insufficient, worthless The anti-crime measures appear to have been ineffective 2 inefficient, incompetent, incapable, unskilled, unskilful, inept, unfit, unproficient The new office manager is totally ineffective