Effectualness
Effectualness noun - The power to produce a desired result.
Usage example: the effectualness of that new cancer treatment has yet to be proven
Efficacy and effectualness are semantically related in affect topic. In some cases you can use "Efficacy" instead a noun "Effectualness", when it comes to topics like effect.
Efficacy
Efficacy noun - The power to produce a desired result.
Usage example: questioned the efficacy of the alarms in actually preventing auto theft
Effectualness and efficacy are semantically related in affect topic. You can use "Effectualness" instead a noun "Efficacy".
Mutual synonyms
Related pairs
- ability and effectualness
- ability and efficacy
- energy and effectualness
- energy and efficacy
- power and effectualness
- power and efficacy
- force and effectualness
- force and efficacy
- strength and effectualness
- strength and efficacy
- performance and effectualness
- performance and efficacy
- effect and effectualness
- effect and efficacy
Cite this Source
Efficacy and Effectualness. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/effectualness/efficacy
Effectualness & Efficacy. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/effectualness/efficacy>.
Efficacy or Effectualness. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/effectualness/efficacy.
Google Ngram Viewer shows how "effectualness" and "efficacy" have occurred on timeline