ef·​fi·​cac·​i·​ty | \ ˌe-fə-ˈka-sə-tē How to pronounce efficacity (audio) \

Definition of efficacity

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Examples of efficacity in a Sentence

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, "Letters: Attention, shoppers: ’tis the season to be jolly. And courteous.," 10 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'efficacity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of efficacity

15th century, in the meaning defined above

History and Etymology for efficacity

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

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Time Traveler for efficacity

Time Traveler

The first known use of efficacity was in the 15th century

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Cite this Entry

“Efficacity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/efficacity. Accessed 29 May. 2020.

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