Synonyms of unavailing in English:

unavailing


See definition of unavailing

adjective

1‘persistent calls for justice were unavailing’

SYNONYMS
ineffective, ineffectual, inefficacious, vain, in vain, futile, useless, unsuccessful, non-successful, nugatory, failed, fruitless, unproductive, profitless, unprofitable, pointless, to no avail, to no purpose, to no effect, abortive, inadequate
archaic for nought, bootless
rare Sisyphean
ANTONYMS

effective, successful