• synonyms


noun, plural ef·fi·cac·i·ties.
  1. efficacy.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for efficacity

Historical Examples

  • "Confess the efficacity of the mass," cried the two bishops to poor Brown.

    History of the Reformation in the Sixteenth Century, Volume V

    J. H. Merle d'Aubigné

  • The second question is that of knowing what is the rôle, the utility, and the efficacity of the psychical phenomenon.

  • If it is not the thing that creates the relation, it will be said, at least it is that which creates its efficacity of suggestion.