| inefficacy | Want of power to produce the desired or proper effect; inefficiency; ineffectualness; futility; uselessness; fruitlessness; as, the inefficacy of medicines or means. "The seeming inefficacy of censures." (Bp. Hall) "The inefficacy was soon proved, like that of many similar medicines." (James Gregory) Origin: L. Inefficacia. See In- not, and Efficacy. Source: Websters Dictionary (01 Mar 1998) |
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