'Inefficacy' definitions:

Definition of 'inefficacy'

From: WordNet
noun
A lack of efficacy [syn: inefficacy, inefficaciousness] [ant: efficaciousness, efficacy]

Definition of 'Inefficacy'

From: GCIDE
  • 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 Webster]
  • The seeming inefficacy of censures. --Bp. Hall. [1913 Webster]
  • The inefficacy was soon proved, like that of many similar medicines. --James Gregory. [1913 Webster]

Words containing 'Inefficacy'