Inefficacy

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]

From WordNet (r) 2.0 [wn]:

  inefficacy
       n : a lack of efficacy [syn: {inefficaciousness}] [ant: {efficacy}]