aimless, barren, bootless, carefree, careless, counterproductive, easygoing, effete, empty, etiolated, fatuitous, fatuous, fruitless, fustian, futile, good-for-nothing, grasshopper, happy-go-lucky, heedless, impotent, improvident, inadequate, inadvertent, inane, incautious, ineffective, ineffectual, inefficacious, inoperative, invalid, irresponsible, lackadaisical, meaningless, negligent, no go, nonchalant, nugacious, nugatory, of no force, of no use, pointless, purposeless, reckless, remiss, shiftless, sterile, superfluous, thoughtless, thriftless, unavailing, uncaring, undependable, uneconomical, unheeding, unproviding, unpurposed, unreflective, unreliable, unthinking, unthrifty, untrustworthy, useless, vain, wild, worthless, wrecking

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