inefficacy

noun

in·​ef·​fi·​ca·​cy (ˌ)i-ˈne-fi-kə-sē How to pronounce inefficacy (audio)
: lack of power to produce a desired effect

Examples of inefficacy in a Sentence

Recent Examples on the Web Frustrated by conventional treatments’ inefficacy, Christina discovered Gronich’s clinic and benefited from her comprehensive, whole-body approach to skincare. WWD, 2 July 2024 When my depression hasn’t improved or worsened, providers have abruptly discharged me from their care without a treatment plan, or simply began treating me worse, as though the inefficacy of their therapies could only stem from my noncompliance or bad vibes. Maria Yagoda, Vogue, 25 Mar. 2024 The problem was the seeming inevitability of the juggernaut, the constancy of its forward motion, and the inefficacy of mere individuals in the face of such odds. Christopher Ketcham, Harper's Magazine, 1 Nov. 2023 Bosses who fail to express their appreciation also contribute to workers’ feelings of inefficacy. Michael P. Leiter, Scientific American, 1 Jan. 2015 See all Example Sentences for inefficacy 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'inefficacy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Late Latin inefficacia, from Latin inefficac-, inefficax inefficacious, from in- + efficac-, efficax efficacious

First Known Use

circa 1615, in the meaning defined above

Time Traveler
The first known use of inefficacy was circa 1615

Dictionary Entries Near inefficacy

Cite this Entry

“Inefficacy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inefficacy. Accessed 27 Jul. 2024.

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