Synonyms: vain, fruitless, futile, bootless, sleeveless
Definition: unproductive of success
Usage: a fruitless search; futile years after her artistic peak; a sleeveless errand; a vain attempt
Similar words: unproductive
Definition: not producing or capable of producing
Usage: elimination of high-cost or unproductive industries
Synonyms: futile, unavailing, otiose, ineffectual
Definition: producing no result or effect
Usage: a futile effort; the therapy was ineffectual; an otiose undertaking; an unavailing attempt
Similar words: useless
Definition: having no beneficial use or incapable of functioning usefully
Usage: a kitchen full of useless gadgets; she is useless in an emergency