Synonyms and related words :
absurdity, aimlessness, bootlessness, emptiness, fatuity, fecklessness, fruitlessness, futility, hollowness, impotence, inanity, ineffectiveness, ineffectuality, inefficacy, meaninglessness, nugacity, otiosity, pointlessness, profitlessness, purposelessness, rat race, the absurd, triviality, unprofitability, unprofitableness, valuelessness, vanity, vicious circle, worthlessness