What are the antonyms for INEFFICACY?

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Synonyms for INEFFICACY

Usage Examples for INEFFICACY

  1. Napoleon himself was neither much in humour to supply her present wants, provide for her extravagances, or to forgive her ill- nature; he ascribed the inefficacy of the waters to her excesses, and reproached her for her too great condescension to many persons who presented themselves at her drawing- room and in her circle, but who, from their rank in life, were only fit to be seen as supplicants in her antechambers, and as associates with her valets or chambermaids. - "The Project Gutenberg Memoirs of Napoleon Bonaparte" by Bourrienne, Constant, and Stewarton
  2. This opinion as to the inefficacy of bomb- firing to destroy a work anticipated the experience of the Civil War, where the conclusion was that it might wear out the endurance of the garrison by constant harassment, but not directly reduce the works themselves. - "Admiral Farragut" by A. T. Mahan