efficacity
noun
ef·fi·cac·i·ty ˌe-fə-ˈka-sə-tē 
: efficacy
Synonyms
- edge
- effectiveness
- effectualness
- efficaciousness
- efficacy
- efficiency
- productiveness
See all Synonyms & Antonyms 
Example Sentences
the limited efficacity of the primitive tool as an instrument for cutting raw meat
Recent Examples on the Web Employing touchscreens for voting results in the adoption of technology for its own sake rather than to provide efficacity. 
Letter Writers, Twin Cities, 10 Nov. 2019
Letter Writers, Twin Cities, 10 Nov. 2019 Word History
Etymology
Middle English efficacite, borrowed from Middle French & Latin; Middle French efficacité, borrowed from Latin efficācitāt-, efficācitās, from efficāc-, efficāx "capable of fulfilling a function, efficacious" + -itāt-, -itās -ity
First Known Use
15th century, in the meaning defined above
efficacity
noun
as in efficacy
the power to produce a desired result the limited efficacity of the primitive tool as an instrument for cutting raw meat Synonyms & Similar Words
Relevance
- efficacy
- efficaciousness
- effectiveness
- efficiency
- productiveness
- effectualness
- ability
- strength
- potency
- capability
- edge
- capacity
- puissance
Antonyms & Near Antonyms
- ineffectiveness
- inefficiency
- ineffectualness
- ineffectuality
- inadequacy
- inability
- incompetence
- incompetency
- inadequateness