[adj] generally incompetent and ineffectual; "feckless attempts to repair the plumbing"; "inept handling of the account" [adj] not fit to assume responsibility
incompetent, inept, irresponsible
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,