inefficacious
adjective
in·ef·fi·ca·cious
(ˌ)i-ˌne-fə-ˈkā-shəs 
: lacking the power to produce a desired effect : ineffective
inefficaciously
adverb
inefficaciousness
noun
Synonyms
Examples of inefficacious in a Sentence
his efforts to restore the neglected houseplant back to health were belated and sadly inefficacious
an inefficacious medication for a rare form of tuberculosis
Recent Examples on the Web
Most wore inefficacious cloth masks, too.
—
James Lileks, National Review, 25 Aug. 2022
Day — who grew up watching the spelling bee — came up with the concept of exploring the psyche of a winner with an ultimately inefficacious career in 2015 while at a UCB improv sketch-writing class.
—NBC News, 6 Oct. 2020
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
James Lileks, National Review, 25 Aug. 2022
Day — who grew up watching the spelling bee — came up with the concept of exploring the psyche of a winner with an ultimately inefficacious career in 2015 while at a UCB improv sketch-writing class.
—NBC News, 6 Oct. 2020
Dictionary Entries Near inefficacious
Cite this Entry
“Inefficacious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inefficacious. Accessed 8 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share