безрезультатный
прилагательное 1) бесполезный, напрасный, тщетный Например: It's futile to speculate about what might have been. — Бессмысленно рассуждать о том, что могло произойти. Синоним(ы): useless, unavailing 2) несерьёзный, поверхностный, пустой, пустячный Синоним(ы): superficial, shallow
adjective Etymology: Middle French or Latin; Middle French, from Latin futilis brittle, pointless, probably from fu- (akin to fundere to pour) — more at found 1. serving no useful purpose; completely ineffective Example: efforts to convince him were futile 2. occupied with trifles; frivolous • futilely adverb • futileness noun Synonyms: futile, vain, fruitless mean producing no result. futile may connote completeness of failure or unwisdom of undertaking Example: resistance had proved so futile that surrender was the only choice left. vain usually implies simple failure to achieve a desired result Example: a vain attempt to get the car started. fruitless comes close to vain but often suggests long and arduous effort or severe disappointment Example: fruitless efforts to obtain a lasting peace.