Efficacy
Efficacy noun - The power to produce a desired result.
Usage example: questioned the efficacy of the alarms in actually preventing auto theft
Efficacity and efficacy are semantically related in efficiency topic. In some cases you can use "Efficacity" instead a noun "Efficacy".
Efficacity
Efficacity noun - The power to produce a desired result.
Usage example: the limited efficacity of the primitive tool as an instrument for cutting raw meat
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Synonyms for Efficacity
Efficacy and efficacity are semantically related in efficiency topic. You can use "Efficacy" instead a noun "Efficacity".
Mutual synonyms
Related pairs
- ability and efficacy
- ability and efficacity
- capacity and efficacy
- capacity and efficacity
- strength and efficacy
- strength and efficacity
- performance and efficacy
- performance and efficacity
- impact and efficacy
- impact and efficacity
- productivity and efficacy
- productivity and efficacity
- capability and efficacy
- capability and efficacity
Cite this Source
Efficacity and Efficacy. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/efficacy/efficacity
Efficacy & Efficacity. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/efficacy/efficacity>.
Efficacity or Efficacy. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/efficacy/efficacity.
Google Ngram Viewer shows how "efficacy" and "efficacity" have occurred on timeline