inefficacious
Americanadjective
adjective
Other Word Forms
- inefficaciously adverb
- inefficaciousness noun
- inefficacity noun
- inefficacy noun
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
Remedies for the starling plague were suggested, some facetious, some earnest, all equally inefficacious.
From Time Magazine Archive
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 Baldwin, A.C.
My counsels and remonstrances were not wholly inefficacious.
From Ormond, Volume III (of 3) or, The Secret Witness by Brown, Charles Brockden
Imperfectly mixed coal-tar-creosote dips are liable to poison animals even when not used in stronger solutions than that recommended by the manufacturers, and are also likely to be inefficacious.
From Special Report on Diseases of Cattle by United States. Bureau of Animal Industry
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.
