Inefficacy — In*ef fi*ca*cy, n. [L. inefficacia. See {In } not, and {Efficacy}.] Lack of power to produce the desired or proper effect; inefficiency; ineffectualness; futility; uselessness; fruitlessness; as, the inefficacy of medicines or means. [1913… … The Collaborative International Dictionary of English
inefficacy — (n.) want of force or virtue to produce the desired effect, 1610s, from L.L. inefficacia, from inefficacem (nom. inefficax), from in not, opposite of (see IN (Cf. in ) (1)) + efficax (see EFFICACY (Cf. efficacy)) … Etymology dictionary
inefficacy — [in ef′i kə sē] n. [LL inefficacia] lack of efficacy; inability to produce the desired effect … English World dictionary
inefficacy — noun Etymology: Late Latin inefficacia, from Latin inefficac , inefficax inefficacious, from in + efficac , efficax efficacious Date: circa 1615 lack of power to produce a desired effect … New Collegiate Dictionary
inefficacy — /in ef i keuh see/, n. lack of power or capacity to produce the desired effect. [1605 15; < LL inefficacia. See IN 3, EFFICACY] * * * … Universalium
inefficacy — noun The condition of being ineffective … Wiktionary
inefficacy — (Roget s Thesaurus II) noun The condition or state of being incapable of accomplishing or effecting anything: helplessness, impotence, inadequacy, incapability, ineffectiveness, ineffectuality, ineffectualness, powerlessness, uselessness. See… … English dictionary for students
inefficacy — in·ef·fi·ca·cy || ɪn efɪkÉ™sɪ n. inability to produce the desired results … English contemporary dictionary
inefficacy — n. Ineffectualness … New dictionary of synonyms
inefficacy — n 1. ineffectuality, ineffectualness, inefficaciousness; incapacity, inability, inadequacy, inefficiency, incompetence, ineptitude; uselessness, inutility, worthlessness, valuelessness, meritlessness, nu gacity. 2. futility, bootlessness,… … A Note on the Style of the synonym finder