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

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

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

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Comments on efficacity

What made you want to look up efficacity? Please tell us where you read or heard it (including the quote, if possible).


showing great care, attention, and effort

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