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inefficacy

[ in-ef-i-kuh-see ]
/ ɪnˈɛf ɪ kə si /
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noun
lack of power or capacity to produce the desired effect.
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In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
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Origin of inefficacy

From the Late Latin word inefficācia, dating back to 1605–15. See in-3, efficacy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use inefficacy in a sentence

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