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inefficacious

adjective

1 inefficacious

Lacking the power to produce a desired effect.

Roget 158: powerless, impotent, unable, incapable, incompetent; inefficient, ineffective; inept; unfit, unfitted; unqualified, disqualified; unendowed; inapt, ... show more

Roget 645: useless, inutile, inefficacious, futile, unavailing, bootless; inoperative etc. 158; inadequate etc. (insufficient) 640; ... show more

Dutch: ondoeltreffend


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