they'll break your back, and make you sell your soul.
abandoned, abject, barren, base, bogus, cheap, contemptible, counterproductive, cultus, despicable, empty, futile, good-for-nothing*, ignoble, inconsequential, ineffective, ineffectual, inferior, insignificant, inutile, meaningless, mediocre, miserable, no-account*, no-good*, nothing, nugatory, paltry, pointless, poor, profitless, sterile, trashy, trifling, trivial, unavailing, unessential, unimportant, unproductive, unprofitable, unusable, useless, valueless, waste, wretched.