inefficacious
Americanadjective
adjective
Other Word Forms
Etymology
Origin of inefficacious
First recorded in 1650–60; in- 3 + efficacious
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Most nostrums hit at only one of the causes and so are frequently inefficacious.
From Time Magazine Archive
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Remedies for the starling plague were suggested, some facetious, some earnest, all equally inefficacious.
From Time Magazine Archive
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As far as producing the effect contemplated was concerned, the law was altogether inefficacious.
From The Rise of Canada, from Barbarism to Wealth and Civilisation Volume 1 by Charles Roger
They were as unfriendly to the old confederation as to the system now proposed, but bore it with more patience because it was wholly inefficacious.
From Essays on the Constitution of the United States by Paul Leicester Ford
It is, at least, quite certain that other means will prove inefficacious, if this be not superadded.
From Three Prize Essays on American Slavery by A.C. Baldwin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.