adj.
worthless的同義詞之：無效的,無能的,瑣碎的,無意義的,不值錢的
sleazy, trivial, petty, valueless, inessential, unserviceable, inefficient, unimportant, superfluous, empty, idle, inane, unless, cheesy, inadequate, bastardly, inconsequential, impracticable, worthless的同義詞之：無用的,徒然的,無益的
inefficacious, unavailing, impotent, profitless, effete, vain, useless, unprofitable, unproductive, futile, fruitless, ineffective, worthless的同義詞之：討厭的,卑鄙的,惡毒的
base, depraved, abject, good-for-nothing, wicked, contemptible, despicable, corrupt, blackguardly, rascally, vicious, vile,