Synonyms of 'feckless'

aimless, barren, bootless, carefree, careless, easygoing, effete, empty, 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, nonchalant, nugatory, pointless, purposeless, reckless, remiss, shiftless, sterile, superfluous, thoughtless, thriftless, unavailing, undependable, unheeding, unreflective, unreliable, unthinking, unthrifty, untrustworthy, useless, vain, wild, worthless