Capacity and Inefficacy
Opposite meaning words
Capacity
Capacity noun - The physical or mental power to do something.
Usage example: not everyone has the capacity for learning higher math
Inefficacy is an antonym for capacity.
Inefficacy
Inefficacy noun - A lack of efficacy.
Show all Definitions
Synonyms for Inefficacy
Capacity is an antonym for inefficacy.
Cite this Source
Inefficacy and Capacity. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/capacity/inefficacy
Capacity & Inefficacy. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/capacity/inefficacy>.
Inefficacy or Capacity. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/capacity/inefficacy.
Google Ngram Viewer shows how "capacity" and "inefficacy" have occurred on timeline