Synonyms of ineffective in English:

ineffective


See definition of ineffective

adjective

1‘they made an ineffective attempt to resolve the issue’

SYNONYMS

unsuccessful, non-successful, unproductive, fruitless, profitless, unprofitable, abortive, failed, futile, purposeless, worthless, useless, ineffectual, inefficient, inefficacious, inadequate, vain, unavailing, to no effect

idle, feeble, weak, inept, lame

archaic bootless

rare unfructuous, inutile

ANTONYMS

effective

2‘he was a weak and ineffective president’

SYNONYMS

ineffectual, inefficient, inefficacious, unsuccessful, powerless, impotent, inadequate, incompetent, incapable, unfit, inept, lame, feeble, weak, poor

informal useless, hopeless

ANTONYMS

effective