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inefficacy

noun

1 inefficacy

A lack of efficacy.

synonym: inefficaciousness.

Roget 732: failure; nonsuccess, nonfulfillment; dead failure, successlessness; abortion, miscarriage; brutum fulmen etc. 158 [Lat.]; labor in vain etc. (inutility) 645; ... show more

Roget 158: impotence; inability, disability; disablement, impuissance, imbecility; incapacity, incapability; inaptitude, ineptitude, incompetence, unproductivity; indocility; invalidity, ... show more

Roget 645: inutility; uselessness etc. adj.; inefficacy, futility; ineptitude, inaptitude; unsubservience; inadequacy etc. (insufficiency) 640; inefficiency, ... show more


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