Synonyms: uneffective, ineffective, ineffectual
Definition: not producing an intended effect
Usage: an ineffective teacher; ineffective legislation
Similar words: toothless
Definition: lacking necessary force for effectiveness
Usage: a toothless piece of legislation
Similar words: unproductive
Definition: not producing desired results
Usage: the talks between labor and management were unproductive
Synonyms: ineffective, ineffectual, unable
Definition: lacking in power or forcefulness
Usage: an ineffectual ruler; like an unable phoenix in hot ashes
Similar words: impotent
Definition: lacking power or ability
Usage: Technology without morality is barbarous; morality without technology is impotent- Freeman J.Dyson; felt impotent rage
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