unavailing russian
бесполе́зный
useless, unavailing, vain
тще́тный
vain, futile, unavailing
безуспе́шный
unsuccessful, unavailing, ineffective
беспло́дно
in vain, vainly, unavailingly
useless, unavailing, vain
vain, futile, unavailing
unsuccessful, unavailing, ineffective
in vain, vainly, unavailingly